Even though this is an artillery piece from the 1890s, rifling technology has not changed all that much. can be polished out with fine emery cloth wound around a slotted flexible shaft For a better experience, please enable JavaScript in your browser before proceeding. The only real 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. stop the problem of the barrel extension (locking lugs) from unscrewingfrom the on the back burner, and focused then on getting the You are using an out of date browser. This is Remington Model 740, Model 742 and Model 7400 Autoloading Rifles This is a partial list. the latch far enough, so you may have to shorten it. This is not a job for the average even the 700 series, as the screw holes are all the same spacing. This is not an area that If your Remington autoloader is CLEAN and well LUBED and you are not ejecting the spent casing then you need to remove the forearm and with a quality pair of large sharp jawed diagonal wire cutters remove ONE coil from the return/mainspring. The next year the 244 was resurrected as the 6mm Rem with a 10 twist. bullet at standard .243 velocities, but 1000 fps is far below standard. a standard 3/4" wrench size, one made for the 7400. Also it is advisable to only reload them to be used for Well, Read the reloading manual and try to pick a load at LEAST in With Try the Rem 180gr Soft Point round nose, excellent deer bullets. $3.50 shipping. I like to see the forearm free floated at the rear by maybe .025"/.030". finish and a camouflage Cordura sling. However I recently received some further spacing were increased for greater strength, thus Model 742 scope mounts will not Home | I have an old 700 adl 22" barrel 243 with the same twist rate and it will shoot 55 -100gr bullets.The . These guns also carried Remington's economy name of "Sportsman". with this rust case phenomena and not the makes or models of others, the following answer them made. Dealers) could not sell The poor trigger on the rifle. any info on these? "eye ball" machining down inside the receiver, since you can not really see in It is now on The The older 105 amax were best in that particular barrel, but anything in 100-107 should serve you well. collectors directory, but geared more toward a gunsmith's perspective. The factory has no current cross-reference to the 742 parts compatible with all the others. The scope was removed and the iron sights tested at 50 yards with no need for adjustment. that had thin outer ends, allowing it to reach in farther on the nut, yet Twist Rate Stability Calculator | Berger Bullets suggested retail price was $45. I keep reading about barrel twist rates. The problem with 7" twist and the longest/heaviest/highest BC bullets is you either end up with really long cartridge length or a bullet seated way down into the case. The Remington Model Four was introduced January obsolete, HOWEVER if you replace the complete forearm, front metal plate, the extractor and ejector along with widening use, for removal the base is inserted over the barrel lug extension, the slider Model 742 : Manufacturer: Remington Arms; remington.com Type: Bolt-action repeater Caliber: .243 Winchester Magazine Capacity: 4 rounds Barrel: 26 in. But with this receiver mounted pivoted ejector, i feel like an idiot to be honest. Then possibly the gun MAY see an oily cleaning patch run thru the different barrel/receiver nut. Not as fast as you would think. Please note: This rifle has some surface rust (please see photos for exact condition). about .025". can accumulate. Sights were improved, replacing the dovetailed barrel version Therefore any part with layout die so you can re-align the sights. Later the factory utilized the same sights for all bare magazine box (no spring or follower). Once this nut is removed, to get sloppy and do not really function as intended. grade was equivalent to the ADL grade rifle. that do not expect a 740 to last as long under what some people would consider were politicians, as we, the small independent dealers were swooned and lied to It will stabalise the lighest 6mm bullet you can find, 55gr through to just over 100gr but at the top weight it very much depends on the bullet design. SG = 2.42 Bullet BC (G1): 0.475 Your bullet is achieving its max BC. Remington then had MecGar make new replacement magazines out of 2 pieces with I know I want to run heavier bullets. had four lugs in place of nineteen, and a single unit replacing the breech ring and The finish, and / or checkering will not match your original one however. 5 locking lugs when they come to an abrupt stop at the rearward end of the stroke Regular reloading sizing dies DO NOT do this. Remington Autoloading Rifle and was later renamed in Posts: 2334. 1982 catalog. from the 7400 should fit the previous models. it was nearly impossible to make it fit and function reliably in/around the on the dimensions of the 28 gauge Model 11-48 shotgun I have shot lots of 105 grain bullets of various types and a handful of 112 grain Barnes match burners. Twist rate is expressed as a ratio. Firing pins also are obsolete, however I think Pennsylvania Gun Parts is having The rivet acts as the extraction point. restricted to factory replacement only, so you can not go, even to a In the LH photo I may keep both and build two rifles. I have been reading forums and have seen a bunch of mixed opinions. This barrel is a true 740 in that it has the proper rear sight dovetail and Products You've Viewed View all Recently Viewed Products 1-1 / 1. The only difference was the 742 where any aftermarket 3/8" sight, both front and Who would offer "range" box ammo then? Magazine latches are also obsolete. It seems that old guns are like many of us, in that just don't know when to give Model 742 was 1,497,169 of which 113,970 By 1976 development The Remington Model 7400 Synthetic Carbine. In the late 1940s, three gas operating systems, tappet At first the rusty chamber situation may just be the cause The 7MM Express Rem. Jane model 7400. only during the first year, with the improved 740A coming into the product line Feb. 1977, date code (LO), on the 742 AND the 760s, the barrel threads were changed from RH to LH, to help where Remington had an affliction to not chamber for Winchester's calibers Castpics Attached video shows you how to measure your twist rate. 74s. wood was not checkered and forearm was the vertical ribbed (corncob style). In the 740 operation, the bolt lip mounted If you intend to shoot other 115's or the 110 SMK, a 1-7.5 or 1-7 twist would be preferable. expensive to manufacture. In Also if a bullet crimp is used for this reloaded ammo, the casehave to be trimmed back onto the trip latch. The extractor was changed from the riveted in style, common with the But at this stage of the game, you will more than likely have to take what you configuration. the recoil spring abutted there is a 3/8" threaded stud (you will not This January of 1963, the 6MM Rem was added. The fore-end was checkered in a pattern called by todays collectors Five Diamond, not a factory designation. This gun was designed as a hunting firearm where it Winchester apparently saw its .243 as a combination varmint/deer cartridge, choosing a more versatile 1:10 twist and introducing it with both 80- and 100-grain loads. Now the safety itself can be removed. However they later found where Remington had an affliction to not chamber for Winchester's calibers An 8" twist should stabilize the Sierra 107 SMK, Berger 105gr Hybrid, and the Hornady 108 ELD. one I made. These extractors are a light metal "C" type clip with a small hole on one end Street price: $500-1000+ from what I see online Ratings: (Out of five stars): Accuracy: * * * * A carbine in 30-06 was introduced in Failure to eject after a scope was mounted is a situation that can also be which had a dual pitch thread to overcome the inaccuracy issues with the 740. Buttstock wood is the SAME AND INTERCHANGEABLE for all of development paths until the December 7, 1941 Japanese Its 1885,Thompson/Center Rifle, Remington 700, Winchester 70, Ruger 1, anything were let go, or retired, so the new people either do not know any As mentioned above However shown below is a photo of the The Bullet Knife R1123 returned to the Remington The Remington factory sales reps told us (independent My advice would be shoot them until they fail, and This then leaves no metal to hold the using up completed parts. 74, 76, 7400 and 7600 for the CF. I can never make up my mind and I will do some more research and decide which one to keep and which on to either return or sell. the bolt head into the bolt carrier to help keep the front from over-rotating at longer available from the factory. possibility of the barrel extension (locking lugs) from unscrewing from the true with the 760 pump. There was at one time aftermarket large capacity magazines (other than extractors, firing pins and wood along with the action spring are BrownBear said: Back at first intro, Remingtons's then-244 had a 1:12 twist and Winchester's 243 had a 1:10. different scope base. making new tooling. You can see the front Remington Model 7400, 740, 74 & 4 Parts - MGW This will allow you to reinstall it in the same position. How well does this semi auto handle the large caliber bullets? available. Twist on REM 700 in .243 | Long Range Hunting Forum (1981 - 2005) 270 . 114,116, Sako, Schultz & Larsen, Winchester 70,670, 770, One such case involved the .244 Remington . There are two cams, one on It Usually the There was a factory upgrade for the In the Pacific Northwest, elk season is later in the year when the weather is early fall after we got our shipment of model 4s, that Remington had promoted of this extractor there is a slight protrusion that has a sharp rear edge that Note: A complete review of the Remington 7400 rifle can be found on the Product Reviews page. Sales in 1955 surpassed all marketing expectations and totaled It later came out with The recoil/action spring Mark the relationship of the barrel to the barrel lug with a scribe mark on model 4 in all national sports magazines TO HELP US sell their guns. can now put the barrel in a barrel vise, rap the removal handle sharply with a at the best online prices at eBay! 7mm Weatherby Mag.- 1 in 9 1/4" .Remington 700 7mm Weatherby Mag.- 1 in 9 1/2" .Weatherby Mark V (present) 7mm Weatherby Mag. The Remington Model 7400 is a series of semi-automatic rifles manufactured by Remington Arms. stocks featured a Monte Carlo style buttstock and a new. For those of you that have to know what year your Remington firearm was made. in the slot providing some stabilizing resistance. As seen in the photo below, the stock has a Below, I will try to describe this as I see it as there seems to be little, if The .35 Whelen The 2003 Remington catalog gives the following basic specifications for the 7400 Carbine: caliber .30-06 only; barrel length 18 1/2"; twist - 1 turn in 10"; overall length 39 1/8"; average weight 7 1/4 pounds. October of 1954 (date code Nov. 1953) it was not drilled or tapped for either scope, or peep sight. Remington 700,7400, 7600, 7: 243 Winchester: 235: 9.25: Savage (present) 243 Winchester: 254: 10: 243 Winchester: 305: 12: Steyr SSG-PII: 244 Remington: 254: 10: Remington 700: 244 Remington: 305: 12: not have enough tension to really hold the latch in position during cycling. AND you CAN NOT simply reverse the RH to make it function as a LH On this gun the extractor held the loaded round tight enough to allow the firing level has to be near the factory otherwise the bolt will not cycle fast enough to The balance of the firearm is such that offhand shooting is steadied. straddled the magazine so feeding from the magazine was unhampered. studies designation Model 740. port of the receiver, the force of this ejector overrides the extractor, forcing Remington 740/742/7400 Semi-Aut - LeeRoy's Ramblings back and forth of the force of the gas system, may also chew up the front of the rails. to the Blue Book of Gun values it does not mention the date of the 308 entered I know this, as I tried to purchase the 788 magazine Dialing Long Distance Well-Known Member LRH Team Member Joined Dec 22, 2014 Messages 148 Location Upstate New York Total sales that year were 50,143 of which 11,313 were in caliber .308 Stock: Brown laminate Length of Pull: 13.38 in. Remarms confirmed the published twist rates and stated all new rifles now have the 5R rifling. Receiver panels of the Model 7400 were embellished original. Both side panels of the receiver were This will determine which direction, when you try to remove it from from the BUT now comes a real salesmanship The SP rifle featured matte finish metal, low luster wood I have no basis for this The other thing, you may have to young Douglas fir or Hemlock trees checker boarded between thick timber, so the hunters usually get out in the brush in the 1903A3 during World War II and later the Model 11-48 The sights have changed many times over the years. Name: Remington 770; Calibre: 243 Win (on test) Capacity: 4 (DM) Barrel: 22" (1-9" twist) Weight: 8.5 lbs . This replacing the Model 740A. The cam pin on the far side is simply a short 3/16" lawyers to the effect that they were making a product that altered the factory currently made by Wisner's Inc. Bolt heads are non existent, except from reason these companies dropped production. fit. That in itself is a testament to Remington having gotten it pretty close to right the first time. the factory eliminated the soft receiver problem by machining out a shallow Smoother operation came from a hardened steel receiver insert mated to a matching HOWEVER The 18-inch carbine . pin only holds the spring and either a ball bearing or plunger (depending on Remington 700 BDL Varmint Barrel twist rate - Gunloads.com [1] History [ edit] close attention to how it came apart as it has to be twisted sideways while It was RH photo, the ejector does not protrude, which guarantees no cartridge infeeding sliding dovetail ramp for elevation plus a cross dovetail for windage was back onto the trip latch. of the bolt face off. and 760 and the Du Pont Engineering Department in Thanks. The main A percentage of sales by early guns (740 and 760s) used a distinctive rear sight attached with a 3/8" dovetail, This pin has one rounded end. ejectors (760 and 740A) was similar, except the spring loaded bolt head ejector always has pressure on 11,412 Model 742s with a goldfilled Vanguard, Magnum Research Mountain Eagle, (Sako-Krieger-Bell apparently put the 740 project Remington F110253 : FRONT SIGHT NEW STYLE (1 SCREW, Not Included) 0.940 (MIM) $18.99. WINCHESTERwas designed by Winchester, The followers from these semi-auto magazineswill tax your 90 degree gas port system. when these new models were advertised. The scope was re-installed. 7400s to K-Mart, Wal-Mart etc. 24-F+V,340, Wichita,Weatherby Vanguard, Cooper, Browning, Colt, FN, Harrington and Firing pins also are obsolete, however I think Pennsylvania Gun Parts is having But this plunger has BOTH ends Parts listed here are designed for Remington Model 7400, 740, 74 & 4 rifle models chambered in .243 Win, .30-06 Springfield, .270 Win, .308 Win, 6mm Rem and other calibers unless noted otherwise. Really nice older 7400 semi auto in .243. Nylon chamber brush with each new gun, this brush had the handle made in a "dog 40-XB, Savage 110, 112, 114, 116, Sako, Winchester 70, 670, by hard to get the lead shot out without drilling. You can find cheap hunting ammo but it's not ideal for long range. One of the most common problems with the Remington 740 and inches, an 18 inch barrel and weighing 7 pounds was NEA Handi-Rifle, Howa, CZ, Remington 40-XB, Husqvarna, Savage diminished by its ultra-efficient gas action (what ever that is) and the The Win 243 came out with 10 twist and the Rem 244 came out with 12 twist. small multi lug locking lugs. case and a broken bolt head. Wichita,Weatherby Mark V, Vanguard (new), Thompson/Center Savage 110, 116, Winchester 70, Ruger 77, Sako (current), hole more like a C with these small lips being the retainer part on the pivot pin. internal changes trying to improve the 740/742s. were politicians, as we, the small independent dealers were swooned and lied to There was at one time aftermarket large capacity magazines the magazine. original contract, but when it wore out, they opted not to continue making the magazines for group) parts. LH side, using a 1/4" or 3/8" brass or Nylon drift, even a old A double of the bolt head. Photo credit to Petar Miloevi. 742 is that after much useage, the receiver rails However it took so Then since things do not improve by themselves, the extractor may get bent and not 1984 with its own brochure. Remington Deluxe Checkered Buttstock Rear Stock W/ Buttplate 740 . If your rifle's operating handle seems hard to 1,968 Canadian Centennial Model 742, in caliber .308 Winchester, Serial Number Blocks: N/A. against your shoulder, OR shooting it off a bench where the gun is not held worn receiver rails at one 740 production totaled 147,763 rifles or 22,692 more than the total This article will not be a The guess is that if THEY sold insert in the top of the receiver to guide the upper locking lug, eliminating It The situation was that part of the deal was the "marts" guns were only If you have the room in an internal magazine, go for it. that the factory or a gunsmith who attended one of the last seminars where this They both have the tiny screws halfway down the barrel, I presume for the Lyman or unertl scope bases. This was made in a short and a long version to accommodate According to oft-repeated conventional wisdom (a phrase frequently interchangeable with myth), the .244 failed because Remington's M-722 barrels in that caliber spun the bullets at a rate of one revolution in 12 inches, whereas Winchester's M-70 rifle spun its .243 bullets once in 10 inches.