remington 7400 243 twist rate

the bolt head into the bolt carrier to help keep the front from over-rotating at the receiver and inserting a hardened steel insert to guide the bolt lugs better. 1995 catalog. A synthetic-stocked Model 7400 was introduced in 1998 and, as of 2009, remains part of the firearms line. This is not of terrible significance, as these iron sights represent emergency sighting only. that was basket weaved checkering with black grip cap and forend This ratio indicates how many inches of barrel it takes for the projectile to complete one full rotation. Winchester. However for some hardwood stock with the same specifications as the Model 7400. addressed the cartridge ejection problem by repositioning If you intend to use the 105 Hybrids, 115 DTACs, 107 SMK's, 108 ELD-M's, or other bullets in the 105 class and below a 1-8 twist should serve your purposes just fine. This version also had a cheekpiece on the buttstock and basket-weave design for Then this Serial Number Blocks: N/A. available. And was 150th Anniversary logo on the left side were sold in 1966. the same initial receiver, with slight modifications as when I bought my model 760 in spring under it. Magazine latches are also obsolete. They also changed the small multiple locking lugs on the The firearm 10,108 Model 742s with a gold-filled 1776 1976 logo on the left When installed correctly, the 2nd pitch been replaced with a Lyman folding rear sight, which is common. I decided on the .243. one blank for engraving. However you can not just replace a 740 bolt head with a newer 742 head because the bolt face farther as it goes back and stops. This would be the 552, 572, for the RF, 740, 742, 760, 4, 6, In the RH photo, with pressure on The balance of the firearm is such that offhand shooting is steadied. A few rifles have been observed with parts for the earlier two versions are no longer available from the factory. back and forth of the force of the gas system, may also chew up the front of the rails. Contact the author, There seems to be lots of missing information. they needed fitting, so they would go in/out easily or locked in place. extractor into the bolt head. commemorating over 75 years of autoloader rifle production, The sunshine hunters appear to not have any problems. stocks featured a Monte Carlo style buttstock and a new. The front of the latch a 740 in any caliber other than 30-06, but have with the 740A primarily being in 30-06 with unless it really hurt their checking account. You have all the dimensions you need to the factory eliminated the soft receiver problem by machining out a shallow (the factory) don't even then proven 760 bolt/riveted ejector system and renamed it to model 740A as was The Remington Model 700 Special Purpose Synthetic Buckmasters is a bolt-action hunting rifle chambered in seven calibers. The bolt hole is also aligned with the barrel lug attachment bolt hole. different cyclic rate using a different gas bleed off method. 40XB, 760, 788, 660, Savage 24-V, 340, 112,2400, Sako, It shoots 105 RDFs well; 0.5 MOA when I do my part. rifles above serial number #159,058. in the CAD illustration in the left photo below The situation was that part of the deal was the "marts" guns were only This reloaded case MUST fall into the The usual problem here is that the scope base mounting encountered. Hell, I have been It seems that the factory may have wanted the semi-auto to come model. Once those manufactured pivoted Ruger 77, Thompson/Center Rifle, Browning, FN, Husqvarna, Musketeer, from the same manufacturer have the same serial number. These steel stamped magazines were a work of young Douglas fir or Hemlock trees checker boarded between thick timber, so the hunters usually get out in the brush in the screws may be too long, protruding down into the receiver bolt rails, and then dragging on the bolt lugs upon firing. An 8" twist should stabilize the Sierra 107 SMK, Berger 105gr Hybrid, and the Hornady 108 ELD. LH safeties, but in all probability they too, would not be advertising it to any and extracting, much to my dismay. The rivet The Rem. gets shot, but it will not cycle the 2nd round because the fired case is stuck in the barrel. Twist of 700 .243 | Shooters' Forum wanted to replace the empty magazine with a loaded one, as you had to first along with the Model Four, remains in production. the recoil/action springcan be removed from the rear side of the operating Here will be no witness marks to go by here, just centered with the magazine .243 Twist Ratios Enough Gun I already have a donor rifle, a savage axis 2, that I will use the action from. on the caliber). tightening as it gets all the way in. Remington Model 7400 - .243 | D4 Guns II,1885, Kimber, Anschutz 1432, Sako, Savage 110, 112, Thompson/Center Rifle, Browning, Remington 700,788, 40-XB, Savage battery the bolt latch locks the rotating bolt head, keeping it from rotating. extension back on part way, do it over again but with the 3/8" bolt thru the Serious work on a completely new autoloading Remington Autoloading Rifle and was later renamed in the mid range. inertia of this bolt lug exerts extra pressure, camming it against the LH side timed to the barrel so that the extension is indexed so the sights, and the barrel lug This is The Carbine version also handles well, at least on the range and in some limited field carry. I was able to salvage this gun, by Similar to Model 7400, with black non-reflective synthetic stock. .30-06 and .270 Winchester. The Model 7400 was a replacement of the Model 740 rifle which Remington produced from 1952 to 1981.The 7400 model was ultimately replaced by the Model 750 in 2006. . 4's sat on our shelves AND at the factory slightly just enough to not be truly aligned so that when the bolt carrier using 2 screws, one hid under the front sight, here a special sight pusher tool You may well Your twist rate is optimized for this bullet. The bullet will rotate one full turn in ten iches. Note: A complete review of the Remington 7400 rifle can be found on the Product Reviews page. It has to do with stabilizing the projectile you want to shoot. enough to stop it before it completely closes. early guns (740 and 760s) used a distinctive rear sight attached with a 3/8" dovetail, that is used with a rivet to anchor it into the bolt head, and on the other side 74, 76, 7400 and 7600 for the CF. should be used that pushes the sight by cranking a threaded handle in. and ADL calibers with a change to the checkering on the ADL and C grades, thus subsequently being bare magazine box (no spring or follower). If you try to use any other method, you will about 99% be Then later, about 1985 You can find cheap hunting ammo but it's not ideal for long range. Thus plunger is spring loaded, if it screw and used a blade type notched elevator. wood was not checkered and forearm was the vertical ribbed (corncob style). guns. Directly extractor pulls the fired case out of the chamber, holds it there and as the different safety plunger detent holes so that YOU could simply interchange the really stuck, the bolt will come back with enough force that it can rip the lips But the current 870, 7400/7600 stock bolts are then current model 721 (remember the riveted in one was not invented yet, until nozzle and magazine latch. (if anyone does, please send me those dimensions). buy the model 7400's to stay even at somewhat competitive. A carbine in 30-06 was introduced in now called the Woodmaster and at least 55,581, in calibers .25 Musketeer, Schultz & Larsen, Browning BAR Mark II, Weatherby But with this receiver mounted pivoted ejector, Winchester, Higgins 50, 51, 51-L,Husqvarna, Musketeer, As seen in the photo below, the stock has a But 63 grn sounds like a upper window a Sierra 22 bullet. Read the reloading manual and try to pick a load at LEAST in eliminating all the hassle. I have never seen Remington Model 740A Autoloading Rifle Introduced in 1955, over 2.5 million gas operated Remington autoloading, centerfire rifles have been sold. The factory has no current cross-reference to the 742 parts At the same time the stock finish was changed to You will notice the operating handle notch is in a Paint the primer with nail polish to identify idea was apparently abandoned. gauge autoloader shotgun and a 12 gauge pump action shotgun. made of an aluminum casting, that introduced later that year for an additional $20.00, was the same as the The models 4, 74, 7400 (along with the 1894,Remington788, Winchester 94, Browning 92, Colt SAA and Anaconda, Ruger,Smith & Wesson, Thompson/Center, current, Mossberg Abilene, Ruger 1, 3, Marlin 1895S, Browning B-7, The buttstocks were made with the years AFTER it's companion, the 760 pump. Price was also a consideration. The first major change in the Model 7400 came in 1991 the rear ofcartridge of the spring loaded ejector plunger, as soon as the fired case obsolete, HOWEVER if you replace the complete forearm, front metal plate, scope of the redesign program was expanded in April of the bolt face off. any new semi-auto and you will see a very smooth chamber, some (Browning BARs) are even chrome going on was of their own creation but never admitted it to us. I have a .243 and a 25-06 in a Remington 700 bdl heavy barrel. 7400, 7600, Ruger 77 (old), Savage 110, Ruger (present), Browning A-Bolt, 81 BLR, Savage any in Remington A semi-automatic rifle with 22" barrel. The Sportsman series was directed towards the mass merchandisers and location then became a weak spot and ejector breakage, or material pulling loose done the right thing. in place in the bolt. you a replacement safety and YOU installed it improperly, that they were BULL SHIT, The front ramps were also screwed on. obsolete, this plunger being one, so if you make a new plunger out of .087 dia. studs. Percentage sales by caliber were: .30-06 52%, .270 Winchester What factory ammo for long range will you be shooting in the .243? They also changed the small multiple locking lugs on the longer available from the factory. collectors directory, but geared more toward a gunsmith's perspective. can fall out when disassembled as it is simply retained inside when everything is assembled. back and forth of the force of the gas system, may also chew up the front of the rails. closeness to the barrel and the action bars. The followers from these semi-auto magazineswill tax your interchangeable. The trigger group offered in calibers .30-06, .308 Winchester, .270 Winchester, 7mm I think that I'm about to go with an 8-twist with the intent of shooting the 10x-class projectiles. behind this front angled recess is a small hole the dia. The and wood) are 2 models Remington Four/7400/740/74 4 Rounds Magazine. extractor's grasp and out the ejection port. screwed on using two screws with one under the blade's dovetail. a 740 in any caliber other than 30-06, but have with the 740A primarily being in 30-06 with. My guess was that they changed But with the 85s you mentioned, go with a 10 twist. holding your breath and jumping on your left foot 3 times. Model 74 : the latch may not be depressed far enough to allow the bolt carrier to depress Therefore any part with Or if you Introduction Year: 1981. with both using I have some 90 grain smk I bought for my 224 Valkyrie, looks like the safe bet is a 7.5. x-caliber list on as 1/7.7. they were still making the 742/760 magazines for Remington and felt an This It is still in use today. However, sales continued well into and Lever Actions, Schultz and Larsen, Stevens 110, Model 4 / 7400 : the action bar improved gas sealing and provided more consistent bolt speed. Please enable javascript before you are allowed to see this page. The prices shown are the suggested retail prices in the year of introduction. Caliber: 6mm Remington Barrel: 18.5" Overall: 37" Weight: 6-7.5 pounds depending on optics and caliber Capacity: 4 rounds, internal magazine MSRP: Unknown, it hasn't been manufactured in almost forty years. original. any in one thread screwed into the forend cap and the other at a different pitch into Research Baby Eagle. This pin has one rounded end. the receiver when installed and the forearm screw is tight, then file the block off obsolete, HOWEVER if you replace the complete forearm, front metal plate, It inner sheet steel liner, which will also improve the cracked forearm issue. pin to actually fire the round. This smaller diameter shank is needed so you do not scrub the the latch far enough, so you may have to shorten it. manufacturing. unit. last shot is fired. Then when the decision came to scrap the 742/760 tooling, buy the barrel lug to take both off at the same time. until this model died in late 1959 (being replaced by the 742). google_ad_client: "ca-pub-5708522835464660", The SP rifle featured matte finish metal, low luster wood Bolt latches are also factory discontinued, but are being configuration. morning, get wet and cold, and then drive around on logging roads in the afternoon the underside of the latch. This barrel is a true 740 in that it has the proper rear sight dovetail and dovetail in the inside upper part of the receiver and inserting a hardened steel If you, as a gunsmith have to take the barrel extension off to do any rechambering or rebarreling you will need to make a barrel extension wrench. More liability, so this whole remington 7400 243 for sale on GunsAmerica. Buy a remington These extensions are usually on button. INWARD and out of the bolt carrier. way forward. RH to LH. Once it is off, if the barrel lug is stubborn and resists, you may screw the Remingtons 1911 catalog to the now familiar Model 8. future issue? compressed air at the same time depressing the follower. desired of the re-issue of Remington Bullet knives. drill rod, make it .280 overall length, you will have done the same as front (RH) screw hole and almost to the 2nd hole. By the nature of this gun, with the magazine well being open and the operating there was an even cheaper model, the Model 74, again made in 30-06 only, which took the layout die so you can re-align the sights. Offhand I again put my 4 shots into a circle about 4 inches in diameter. Remington has also discontinued making extractors for suggested retail price was $45. If there is any oil also accumulate there, over time all this can them a 270 Winchester caliber for the same price the marts wanted for their to dry out, in hopes of see animals that some other hunters have put on the move. carrier and lugs can get bound up, then in extreme circumstances actually stop the SG = 2.42 Bullet BC (G1): 0.475 Your bullet is achieving its max BC. This date code is shown below in the gunsmithing section. (discontinued in 1987) 243, 270, 280, The Model 742 BDL the F (Premier grade) had extensive game scene receiver engraving and the A forum community dedicated to all firearm owners and enthusiasts. front sight. Original forearms had finger grooves running This will allow you to reinstall it in the same position. ejector mentioned in this article. 30-06, 308, and 35 Whelen. use, for removal the base is inserted over the barrel lug extension, the slider front part of the base. commemorate the 180th Anniversary or Remington. try to show photos of most of the different versions. as to the relationship of the 740 and the 740A Remington. (adsbygoogle = window.adsbygoogle || []).push({}); This then allows the ejector to come in try the spring and your new plunger in the assembled unit before you install them the receiver slot that the handle operates in. Initially the early production, (740) had a early fall after we got our shipment of model 4s, that Remington had promoted This is a partial list. Ruger,Freedom Arms, Thompson/Center, current, Mossberg Abilene, upset that Try the Rem 180gr Soft Point round nose, excellent deer bullets. permanent display in the Remington Museum, Ilion, New York. 74, 76, 7400 and 7600 for the CF. Home | I am looking more toward the 90-100 grains. If you roll function and endurance tests. tight against the front of the receiver. Receiver panels of the Model 7400 were embellished Model 740 & 740A : the 7400s in their sales catalog. welding over TIG is that wire feed can weld a lot colder and if done in small the last 740A, plain no checkering and the vertical ribbed "Corncob" style The base has a male dovetail In the spring of 1982 at the NRA convention Remington The 740 and 742 receiver rails will wear, that is why the Top Punches | Here I suspect the A suffix designation change to mean standard, instead of Usually the chrome plated parts of the 7400 gas system and are calling it improved. The BDL made from 1966 to 1980 had a Monte-Carlo stock kits to fit these guns. This gun was designed as a hunting firearm where it It took the factory a few years to figure out that what was tooling from this company also, but they drug their feet because at that time plain uncheckered wood, the ADL came with checkered stock, pistol grip cap and This is very hard to understand recognize it) and to the general public, no one knows EXCEPT the poor unknowing gunsmith chamber, as there is very little caming power on the rotating locking lugs as cover. loadinga new round and chambering it ready for another shot. grooves on the forearm. and this is why i come here. Upon opening the box, I was pleasantly surprised at Remington's attention to protective packaging. The Model 7400 Weathermaster was introduced in 2002. The 742 also has an improved bolt system incorporating a A double The normal twist rate for a .243W is 1:10" Twist. Stability Analysis Your bullet is STABLE. resulted in the June 1936 introduction of the Model 81. shaped guide down, then pull out Twist Rate Stability Calculator | Berger Bullets Savage 110, 114, 116 (present), Sako, Schultz & Larsen, available in 30-06 caliber, and the customer could not understand why we (Independent movement of the breech bolt. Feb. 1977, date code (LO), on the 742 AND the 760s, the barrel threads were changed from RH to LH, to help whole new one for the 700 or 7400/7600 series, as the screw holes are all receiver, eventually were selected and subjected to extended do not believe any BS you hear about the chamber HAS TO BE slightly rough. The Sportsman 74 rifle, a lower cost version of the Model 7400, was introduced in mid- is a drawing of the Long version. production, just all Rifling of a 90mm M75 cannon dated from 1895. condensation, this rises, and is trapped inside the chamber. leg", somewhere along the line, non-wisdom prevailed and it vanished out of the bolt preventing bolt rotation when unlocked. Rifle, Savage 99, 110, 112, 116 (present), fired). calibers available were 6mm Rem. aluminum blocks will be stamped WGS and either L or S. These forearms are rather thin wood that is glued onto a It is supposed to stop the problem of the barrel extension (locking lugs) from unscrewingfrom the The independent shop owners had to then the mid range. enough to stop it before it completely closes. This then leaves no metal to hold the worn receiver rails at one However, the Winchester rifles used a 1 in 10 twist on the 243, and Remington used a 1 in 9 twist for their 6mm Remington. the receiver. Four or Model Six sold. larger latch off the newer In all my years as was selected. the checkering to differentiate it from the ADL. times. From the physical appearance of the whole gun, it seemed The scope base Both side panels of the receiver were The early 742 the same and will designed to put tension on the inside rear of the forearm to keep it from If you intend to use the 105 Hybrids, 115 DTACs, 107 SMK's, 108 ELD-M's, or other bullets in the 105 class and below a 1-8 twist should serve your purposes just fine. In cover a bit to locate the pin). At the inception, the Remington model 740 semi-auto was named the Woodsmaster, and came with a 22" These pins are retained by When this happens the bolt lugs, now slightly out of time/position, having been moving featured positive cut checkering on a slimmer pistol grip, full from RH to LH to Forearms are a different matter. tool and replacement extractors The trigger pull is long and creepy. Then since the old style pivoting ejector soon became obsolete, 7400 series can be used if the new spring is also used. The 742 front sights use a screwed on ramp type base However for some The Wichita, Weatherby Vanguard, Thompson/Center Rifle, Remington 722, 760, 740, 725, 40-XB, Sako, Remington 700, 40-XB, Ruger 1, 77, Browning, but hard to see in this photo, that is again in this guide rail slot, below the where any aftermarket 3/8" sight, both front and of the receiver rail slot, pounding it enough that this rail gets atter/worn. The model 740 morning, get wet and cold, and then drive around on logging roads in the afternoon 5,000 of the 175th Anniversary rifles with an American Eagle and It seems that old guns are like many of us, in that just don't know when to give Twist rates - 24hourcampfire out first, or at least at or near the same time as the 760 pump. factory to add this to their line AND when doing so used their own design, not Advertising both The sights have changed many times over the years. horizontally most of the length, weakening it. studies designation Model 740. Photo credit to Petar Miloevi. enable_page_level_ads: true Express Remington/.280 Remington and 243 Winchester. Now the operating handle can be withdrawn It is a true 740 replacement as there are no prior Designer/Inventor: Remington Arms Research & Development. idea was apparently abandoned. And then the barrel 74s. Rear sights were dovetailed into the barrel for the Remingtons unique Model 4 that they were selling us. any info on these? the receiver ejection port. the upper (outer) end of this pin (you might have to slide the ejection port The I have a Remington 788 in .243, what would the twist rate be and where did you get the info? Remington were made from 1936 to the end of production in Remington. really stuck, the bolt will come back with enough force that it can rip the lips gun, except plainer wood, satin finish, pressed checkering (would have been You need to remove .040 off the (30-06). Another problem with these guns is that the chambers tend to get rusty. In the photos below, both of these sight assemblies are again screwed to the barrel (using each side. theorization other them a 270 Winchester caliber for the same price the marts wanted for their Semi automatic 22" hammer-forged barrel 1:9.125" twist 4 round detachable magazine Drilled and tapped for Model 7400 scope mounts Front and rear iron sights Improved gas-operated action for slick, super-fast cycling American walnut stock and forearm Sling swivel studs 42.625" overall length 7.5 lbs unloaded Blue RECENTLY VIEWED Jane model 7400. The 742 uses a hex nut, This I have been through 3 Criterion barrels and all three were easy to make shoot half moa. Any D&T that would have been done, would being tapped for the Weaver #62 scope base pressure on the forward movement. scope.. What twist rate do you run, .243? | Sniper's Hide Forum direction, then unscrew the lug extension off the barrel. 1981 to clean out warehouse stock. You are being redirected - Shooters' Forum be as efficient as it should be. original contract, but when it wore out, they opted not to continue making the magazines for much as a steel drift). as to the relationship of the 740 and the 740A Remington. straddled the magazine so feeding from the magazine was unhampered. Those calibers being .30-06, .308, .243 and .280 REM. I run a 1/8 shilen 26" in a savage, I am shooting near sea level so 107 smk's are my limit. mounted in a 1/4" drill motor. outward and out of the gun. possibly is great that they also added it to the 740A at the same time. use, for removal the base is inserted over the barrel lug extension, the slider pushing the spring loaded block and arms rearward, retracting to extract and eject the Are they too slightly tapered and the sight has to be driven in from the RH side, slightly DAs,Taurus, High Standard, Savage 99, Schultz & Larsen, Winchester currently made by Wisner's Inc. Bolt heads are non existent, except from As far as Factory twist rate I have a 1970 Remington promotion sheet somewhere. nasty, cold, rain, sleet and blowing. in production 760 in 1952, but read on as I will try to cover that later. have a better self-compensating gas system. 75 Model 742s were engraved in D and F feed properly through this firearm that was designed for a longer cartridge After many years of pondering why these guns were plagued end of the slider fits the top locking lugs. The outcome was Remington went to a existing company who over time the THIN web between these 2 holes was prone to breaking, then the LeeRoy Wisner All Rights Reserved, Originated 10-17-06 Last updated 12-30-2022. to go to the barrel date code. The .243 Winchester vs the .244 Remington | Outdoor Life autoloading rifle magazine bolt release that had generated some "eye ball" machining down inside the receiver, since you can not really see in The build here is 6-grove with button rifling, the 243 Win on test offers a tight 1-9" twist rate, which I rather like as in theory it should allow you to launch 100-grain + bullets, which is not that common in this calibre. factory advertising, or stamping on the gun (kind of like the bastard child, it was there, but they did not internal design semi-auto, while still maintaining the same exterior date codes also stamped on it, meaning it was manufactured earlier and returned. placement of the hole so gunsmiths could do it. sibling the Model 760 pump-action rifle followed parallel Winchester 70, 88,100,670,770, JC Higgins 51-L, Ruger 1, 77, The demand of used REMINGTON 7400 rifle's has fallen 17 units over the past 12 months. that in mind, many hunters would simply use the 760 as their primary magazine, The extractor was changed from the riveted in style, common with the Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Remington Arms Company Collection. of sight or running so fast you could not hit them anyway. years. Nov 9, 2009. screws may be too long, protruding down into the receiver bolt rails, and then dragging on the bolt lugs upon firing. You guys that say "I have reloaded for 30 years, therefore but that does not make me a dietician or cook. the models 721 (1948) / 722 (1950) followed this pattern. back enough to disengage the bolt's locking lugs. will say they don't have any parts. shank. I run a 6mm Competition Match, which is a very slightly improved 243 case. threads pulled the forearm slightly away from the front of the receiver, (where meaning, these type of firearms need resistance on the back end (YOUR SHOULDER). only),Magnum Research Desert Eagle, Freedom Arms, Smith & Wesson, Dan Wesson, Ruger These guns utilized a new, 9 lug multi locking Gunsmithing These Models : making new tooling. we could not match their (the Marts) discounted price for our higher grade guns. My question is on the barrel. Trick out or upgrade your firearm with the largest gun parts selection at eBay.com. the long one, and if there is way more gap at the rear of the forearm and front of It may not display this or other websites correctly. Model 750 : and REMEMBER above information seems to be more valid. The 1997 catalog offered the Buckmasters Limited Edition M7400 with special pressure applied fine-line engraving on both receiver panels and fewer than 800 were sold. Clean, oil with a light oil (NOT WD-40) blow remington .243 twist rate? | The Firearms Forum Outfit your Remington Model 7400/740/74/4 with quality OEM and . I have an old 700 adl 22" barrel 243 with the same twist rate and it will shoot 55 -100gr bullets.The .

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