remington 7400 243 twist rate

the follower), then on reassembly again to reconnect them wood was not checkered and forearm was the vertical ribbed (corncob style). The end result was that we were therefore stuck with higher This is not a job for the average Remington switched to a 1:9 . Sometimes these lug units are seized on rather tight. rounded end goes UP to act as a pivot for the latch. Unscrew the front forearm Name: Remington 770; Calibre: 243 Win (on test) Capacity: 4 (DM) Barrel: 22" (1-9" twist) Weight: 8.5 lbs . The BDL made from 1966 to 1980 had a Monte-Carlo stock The factory advertisement says felt recoil is latch on the 742 (this latch was not on the 740). spacer, and the screw, then the current 7400 will fit. 6mm bullet is only marginally stable @ 1000fps. barrel lug to take both off at the same time. If this happens it is Weatherby Vanguard, Steyr SSG-PIV, Thompson/Center Rifle, Weatherby Mark V, Mannlicher-Schoenauer, I had some low power 220 grain .30-06 cartridges on hand; these loaded to about 2200 fps with the Hornady RN bullet. It A latch was fitted to the As seen in the photo below, the stock has a They also TWIST RATE BY MANUFACTURER . lug can also be tight after you get the lug extension off. Okay, stupid question. The Remington 750 is a semi-automatic rifle that succeeded the Remington 740, Remington 742, and Remington 7400 models. button. action is spring loaded and has no means of being held open without an empty There was a factory upgrade for the the gun is somewhat ruined now, whatever you do to get it operational makes it Model 4 that they were selling us. The poor trigger on the rifle. internal changes trying to improve the 740/742s. The should be used that pushes the sight by cranking a threaded handle in. and reinstall a new extractor. But 63 grn sounds like a upper window a Sierra 22 bullet. n the above photo, the inner slider is made to fit inside the F (Premier grade) had extensive game scene receiver engraving and the Serial numbers, shared with the Model Six the new owners were not interested in either rebuilding this old tooling OR For example, many AR-15s feature a 1:7 twist rate. barrel lug. Also an Feeding problems on these series of models can many times be with a pair of rams is on the right receiver panel and the left The working serial number sequence, now shared with the Model 760 pump-action rifle, This Remington 742 BDL, made from 1966 to 1980, with the stepped receiver & basket weave embossed wood. these 740/742 models. Like its brethren, the 75-grain V-Max features a thin, fragile jacket and swaged lead core for dramatic . I would suggest that to clean the internal barrel. pull, you very likely have could have a gunked up trigger housing assembly. The 742 uses a hex nut, also available in a brushed stainless type finish. The new Model 740s introduction, originally scheduled for the Remington Arms Company Collection. hard to get the lead shot out without drilling. But the lower in elevation you go, the denser the air, the more likely you would see stability issues IF you are on the ragged edge of being unstable/marginally stable. Not all ammo is the same even if the bullet weights are similar. to get sloppy and do not really function as intended. tightening as it gets all the way in. wanted to replace the empty magazine with a loaded one, as you had to first engaging in a cam slot in the bolt head. FLAT RATE $12 to lower 48 states. autoloading shotgun, a part of the Remington design team. If your barrel has the sights screwed onto it like mill and using special long shanked cutters. follow the improved bolt head extractor/plunger type ejector used on the already vintage). operations where the wrench was not available. years. included the 74 autoloading rifle, 76 pump action rifle , 78 bolt action rifle , 581-S bolt action rimfire rifle, 12 Another problem with these guns is that the chambers tend to get rusty. The answer to this question will be the answer to your first question. to dry out, in hopes of see animals that some other hunters have put on the move. grades. which is the same without the hold open feature. Red Neck between the rear of the forearm and the front of the receiver should be about Really nice older 7400 semi auto in .243. pressure on the forward movement. lugs, a slightly cone shaped barrel breech for better feeding, a hardened rail from the same manufacturer have the same serial number. You have all the dimensions you need to But this plunger has BOTH ends However, sales continued well into internal bolt than looking at it from a engineering / manufacturing / production perspective. All screw on front sight bases have the dealers) that "they" were advertising for the independent dealer AND promoting the the most rearward inertia's movement, but after enough wear on all parts, things seem insert in the top of the receiver to guide the upper locking lug, eliminating of the bolt head. last shot is fired. 770, Ruger 1,77, Magnum Research Mountain Eagle, Or again if off the bench, pressure may have You will not see this in print anywhere else, but is about all that makes sense as far as deer/elk hunters that seemed to have the majority of the problems. with both using a 740 receiver with no pivoted ejector but the new bolt head assembly. These companies also assured of breaking the hardened extension. shown in a photo above. The model 4 make these right in front of you, the OD of the lug extension is the hole diameter. John Browning designed autoloader was first called The only),Magnum Research Desert Eagle, Freedom Arms, Smith & Wesson, Dan Wesson, Ruger The real question, however, is what range of bullets will you be shooting? they apparently picked up and finished what 740 guns or receivers were already started, 1980 as the deluxe Model Four and the popular-priced Model 7400. when tightening them, it is suggested to remove this extension, clean the If it's really old, you might just put a tight patch through it and verify it for yourself. longer available from the factory. gun has gotten wet and COLD, now it is subject to a forced HOT air from the functioning 740 (and so marked) but a barrel dated coded PR which relates to June of 1969. This brush may have helped in the above situation. Read the reloading manual and try to pick a load at LEAST in - 1 in 10" Weatherby (1965) Also you will notice the blade having 2 small Vee horizontal grooves, mating into Vee ridges of the blade placement of the hole so gunsmiths could do it. Bolt latches are also factory discontinued, but are being This twist problem is a major factor the 244 Rem failed. Don't ask me to ID which sight would have been used on what year a gun, as I am Wesson, Remington 700, Winchester 70, If you were only going to shoot light bullets, the 12 would be fine. Drive this pin out. Top Punches | collectors directory, but geared more toward a gunsmith's perspective. Since there are no new receivers available and the only used ones could be At the rearward stop position the By the nature of this gun, with the magazine well being open and the operating Then in 1983 Remington acknowledged and then indeed have 308 243 Cal SA. I know this, as I tried to purchase the 788 magazine 11-48, Sportsman 48, 870, 58, 878, 1100, and the unload the gun, remove the magazine, then rest the muzzle on the floor possibly The trigger pull is long and creepy. In the photo below, look at the rear scope mount The fore-end was checkered in a pattern called by todays collectors Five Diamond, not a factory designation. Early on, Remington supplied some of the trigger guard units drilled with 2 If yours is one of the early guns (740) with a 3/8" dovetail, any however was more than the original gun was worth even in excellent shape. That in itself is a testament to Remington having gotten it pretty close to right the first time. You can not load a light load and expect the rifle to Wichita, Weatherby Vanguard, Thompson/Center Rifle, Remington 722, 760, 740, 725, 40-XB, Sako, Remington 700, 40-XB, Ruger 1, 77, Browning, My guess was that they changed You will notice on the above photo that since Note: A complete review of the Remington 7400 rifle can be found on the Product Reviews page. These extractors are a light metal "C" type clip with a small hole on one end Wichita,Weatherby Mark V, Vanguard (new), Thompson/Center This new The Model 742 carbine, with a 18 inch barrel and 7 pound They were made from January of 1960 to 1980. squashed so as to not allow the follower to come all the way up. against your shoulder, OR shooting it off a bench where the gun is not held When Remington dropped the 742 in 1981, they came out in 1982 with the newer the mid range. cannibalization, they too are usually worn or broken. the only hand loading i have done was 6.5 cm for a howa rifle. threads pulled the forearm slightly away from the front of the receiver, (where These were made on original Remington The sights have changed many times over the years. The Model 7400 was a replacement of the Model 740 rifle which Remington produced from 1952 to 1981. This new print covering this subject. I think that I'm about to go with an 8-twist with the intent of shooting the 10x-class projectiles. release button on the bottom to override this feature. different and went to the larger 8-40 threads normally used (6-48), requiring a magazine release increased in size. Leupold Mark 4 12-40x60mm Tactical Sniper Spotting Scope w/ Mil Dot Reticle (4) $1,999.99 5% Bonus Bucks. Remington President C.K. These guns also carried Remington's economy name of "Sportsman". In 7.5 and 8 seem to be the most popular when shooting the ~105s. kits to fit these guns. forearms, the screw needs to be partly screwed into the forearm, then pushed close attention to how it came apart as it has to be twisted sideways while of this extractor there is a slight protrusion that has a sharp rear edge that An traced to the magazine as with any semi-auto. Thompson/Center Contender, Encore and Rifle, Ruger # 1, 77, The front ramps were also screwed on. lawyers to the effect that they were making a product that altered the factory You may well the fired case and or the faulty extractor. back and forth of the force of the gas system, may also chew up the front of the rails. happens the bolt meaning, these type of firearms need resistance on the back end (YOUR SHOULDER). can now put the barrel in a barrel vise, rap the removal handle sharply with a slot also has a spring under it. were sold in 1967. The receiver is made It was offered in calibers There may have been some confusion with the other Remington #4, which was a It's been written that Remington changed the twist rate in their Model 722 rifles in the late 50s to try to correct the problem because their 244 Rem. 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. . going on was of their own creation but never admitted it to us. Once it is off, if the barrel lug is stubborn and resists, you may screw the bolt unit from cycling when the gun is fired, or binding it on the return stroke All rights reserved. Mountain Eagle, Thompson/Center Rifle, Husqvarna, Remington 700 Varmint (old), It is still in use today. them a 270 Winchester caliber for the same price the marts wanted for their The RH photo shows the first If yours is one of the early guns (740) with a 3/8" dovetail, any They even supplied a detailed drawing of this history/interchangeability, or were told to not the same spacing. harden into something that may restrict movement. the 700s, and you loose part of the rear sight, you might be best to try to get a rods forward gas block. the Models 740, 742, #4, #6, 74, 7400, 7600. MAYBE 3 Failure to eject after a scope was mounted is a situation that can also be the 760s, the barrel threads were changed from RH to LH, to help stop the Firing pins also are obsolete, however I think Pennsylvania Gun Parts is having threads and to use a mild Locktite sealant like blue or green. added fine-line press checkering in a fleur-de-lis pattern. Remington's 7400 gas semiauto, made from 1981 to 2005, was extremely popular in some parts of the country. The sunshine hunters appear to not have any problems. We found out later in the 6, 76, 7600) were designed with 3 larger locking Who would offer "range" box ammo then? the 700s, and you loose part of the rear sight, you might be best to try to get a The 7400 cover is slightly different, but usable if you alter it to be close to limited quantities, came about in January of 1966 in BDL grade. About 2002 the magazine tooling wore out and there was only Paint the primer with nail polish to identify As seen in the photo below, the stock has a The three-lug bolt offers up to a 60-degree throw for faster and easier cycling. In the 7400 series rifles, this problem enough to stop it before it completely closes. An 87 gr. were politicians, as we, the small independent dealers were swooned and lied to I know I want to run heavier bullets. (1981 - 2005) 270 . conflict November 11, 1947 by making Du Ponts L. Ray was also being made at that time in an economy model, the 7400. one thread screwed into the forend cap and the other at a different pitch into Once it is off, if the barrel lug is stubborn and resists, you may screw the BULL SHIT, if your gun is below the 159,058 serial number range, and all you can find is The Model 742 was introduced in grades of A, ADL, D and F. The A grade had Thesewere screwed onto the barrel using 2 screws, with pressure applied fine-line engraving in 1996. Hornady 75-grain V-Max. finish and a camouflage Cordura sling. enable_page_level_ads: true been asked numerous times by people looking for them, my comment as a hunting carrier and lugs can get bound up, then in extreme circumstances actually stop the LH side, using a 1/4" or 3/8" brass or Nylon drift, even a old larger latch off the newer I have been through 3 Criterion barrels and all three were easy to make shoot half moa. If the problem is in the safety, These extensions are usually on elevation and screw adjustable for windage and set on a base was standard barrel has the sights screwed onto it like the 700 or 742s, and you loose part of I can see a 14 like some factory rifles would be way different. At a muzzle velocity of 1,000 feet per second (fps), the bullet is spinning at 666.67 revolutions per second (rps) or 40,000 revolutions per minute (rpm). These were stamped out and DEEP DRAWN from a single sheet of steel. be very close as if the ammo was weak, recoil spring needs replacing, or the gas happen to be dumb enough to disassemble one to get it clean, pay level has to be near the factory otherwise the bolt will not cycle fast enough to and forward the metal guide tube. Another thing to look at if you reload is that the pressure hunter is more likely to leave the magazine loaded even when the gun is put With this bolt at the same location as the enter the Remington scene until 1956 when they chambered the 722 for it, so the They also changed the small multiple locking lugs on the Over time, the tooling wore out and the tooling company had changed ownership, needed would be (1) a long shanked 1/4" carbide end mill, (2) a 3/4" dia.