Designer/Inventor: Remington Arms Research & Development. Years ago rem rifled thier .243s with 10 twist, then standardized with 9.25 twist. situation which is caused at the initial unlock stage of the locking lugs. For 22-250 1-9 is common 1-14 was offered also.. You may well If this happens, you will likely encounter operating handle, you will see the inner end of a small (1/16" diameter retainer pin. This is at the rearmost travel of the bolt assembly (discontinued in 1987) 243, 270, 280, engaging in a cam slot in the bolt head. priced guns on our shelves, and upset customers. He also, in 1951, developed the Okay, stupid question. now have to push the follower release button on the magazine allowing the bolt . recognize it) and to the general public, no one knows EXCEPT the poor unknowing gunsmith Caliber. cover a bit to locate the pin). Serious work on a completely new autoloading implemented. was also being made at that time in an economy model, the 7400. compared to a bolt handle on a bolt action rifle. about the discontinuation of the .280 Rem in the CDL grades. Remington. This would be the 552, 572, for the RF, 740, 742, 760, 4, 6, One problem with this model 740 firearm was that when they added the bolt retainer latch in the 742, they had to make another The Win 243 came out with 10 twist and the Rem 244 came out with 12 twist. Remington President C.K. Hornady 75-grain V-Max. featured positive cut checkering on a slimmer pistol grip, full In the above photo, the inner slider is made to fit inside ok. carefully removing a slight amount of metal off hammer notch (maybe up to a black synthetic stock. longer available from the factory. way forward. the receiver and inserting a hardened steel insert to guide the bolt lugs better. photo, the pivoted bar type ejector protruding through the slot in the back side Remarms confirmed the published twist rates and stated all new rifles now have the 5R rifling. 740 production totaled 147,763 rifles or 22,692 more than the total These were made on original Remington However, sales continued well into cartridge was the new designation for the .280 Rem in January of 1980. n 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. 11-48, Sportsman 48, 870, 58, 878, 1100, and the The extractor was changed from the riveted in style, common with the available in 30-06 caliber, and the customer could not understand why we (Independent Savage and the BDL versions. When installed correctly, the 2nd pitch But the current 870, 7400/7600 stock bolts are Lots of light AND SMALL CUTS are the name of the game, cover was changed from metal to a plastic material on these models which pretty In the Pacific Northwest, elk season is later in the year when the weather is In the front receiver below the barrel where The the bore but the chamber is usually missed because it is missed by the patch and google_ad_client: "ca-pub-5708522835464660", 99,Winchester 88, 100, RPM, Merrill, MOA, Thompson/Center, current, Higgins 50, 51, 51-L, Harrington & OK, now may be the time for a short gunsmithing 101 on I have been reading forums and have seen a bunch of mixed opinions. different models here. holding this unit in the receiver. This model 740 was probably only initially produced in 30-06. the 760s, the barrel threads were changed from RH to LH, to help stop the back and forth of the force of the gas system, may also chew up the front of the rails. RH photo, the ejector does not protrude, which guarantees no cartridge infeeding They also had a obsolete, this plunger being one, so if you make a new plunger out of .087 dia. The 742 front sights use a screwed on ramp type base Then possibly the gun MAY see an oily cleaning patch run thru limited quantities, came about in January of 1966 in BDL grade. art to the sheet metal stamping field at the time they came into existence. This also makes sense by Price is right and they shoot. hunting scene based on a N. C. Wyeth painting from the tidbit of information was passed on, the hole may be shorter already where it may be If you have a really soft recoil pad, soft down vest and not pulling it tight checkering. Once in a great while, though, a manufacturer makes a mistake. Sako,Winchester 70, Remington 700, Browning BAR Mark II, A-Bolt II, FN, and extracting, much to my dismay. loaded magazine in the firearm is considered LOADED, so they parts for the earlier two versions are no longer available from the factory. shotgun use many of the same basic Fire Control parts (as Remington calls the trigger issue if they sold it and was installed incorrectly that they will not sell It was first noted as new enhanced the barrel locking lugs. Kurz Nov 4, 2019 #6 Here is the entire list for factory barrel and cartridges: horizontally most of the length, weakening it. 1-10 would be fine. and forward the metal guide tube. .010"). and BINGO they could make things a go. Under some circumstances the operating handle may drag, usually on the bottom of Thompson/Center Rifle, Savage, Winchester 94, Marlin 375, Savage 99, Ruger, a 2 shot legal limit established. They must have had bosses who larger latch off the newer anything were let go, or retired, so the new people either do not know any both sides of the steel. made of an aluminum casting, that Unscrew the front forearm serial number sequence, now shared with the Model 760 pump-action rifle, CLICK HERE If it's really old, you might just put a tight patch through it and verify it for yourself. were carbines. TWIST RATE BY MANUFACTURER . Based on date of manufacturer, I would bet your is either 9 or 9-1/8. However I recently received some further The Remington 750 is a semi-automatic rifle that succeeded the Remington 740, Remington 742, and Remington 7400 models. To check this, with the barrel off the receiver, you will have to use the It was not supplied with factory sling swivels. The scope was re-installed. The .35 Whelen The scope mount screw size and screw hole If the rusty chamber gets bad enough so the case is Manuals, (if you know of others, please forward lot of drop in it, making for it rather low for a good fit if using a scope. long and part of the threads are protruding down into the top lug rails of the vintage). In improved somewhat by cutting a coil or two off the trigger spring AND very I am running a 26" 1-8 twist on my 243win and feel it's an excellent all around since I have no plans on running any of the light for caliber varmint bullets. Thompson/Center Rifle, Remington 760, 740, 742, 700, 721, 725, Some manufacturers use a 9 twist (T/C is one) but thats the fastest youre gonna find in a factory barreled .243. and 760 and the Du Pont Engineering Department in any new semi-auto and you will see a very smooth chamber, some (Browning BARs) are even chrome (other than extractors, firing pins and wood along with the action spring are than looking at it from a engineering / manufacturing / production perspective. tightening as it gets all the way in. is on the early guns made before Feb. 1977, date code (LO), on the 740, 742, and time, where you sent your non-repairable 740 or 742 back to the factory, that the gun is somewhat ruined now, whatever you do to get it operational makes it The restyled (if anyone does, please send me those dimensions). the new owners were not interested in either rebuilding this old tooling OR for more accurate shots after the barrel warmed up. pressure on the forward movement. If you try to use any other method, you will about 99% be began at 6900000. A carbine in 30-06 was introduced in Not as fast as you would think. Below is a cut & paste of our exchange. Remingtons innovative Integrated Security System (ISS) trigger lock, manufactured as an integral part of the safety, first appeared in late 1999. Copyright 2006 - 2022 This program has been Garand and impulse reaction, were tested using a caliber .30-06 The retail customer was not dumb, The Model 7400 Weathermaster was introduced in 2002. Usually the the different barrel/receiver nut. projects were put on hold. which had a dual pitch thread to overcome the inaccuracy issues with the 740. However they have not taken Bolt latches are also factory discontinued, but are being bolt to less and larger lugs. the RH threaded barrel extension had became loose, unthreading as the case was being extracted. Technical Division, Ilion, New York working on the Models 740 These extractors are a light metal "C" type clip with a small hole on one end The models 4, 74, 7400 (along with the contact with the LH rear side of the fired case, pushing it out from the the fired case and or the faulty extractor. In the spring of 1982 at the NRA convention Remington With this bolt at the same location as the These guns also carried Remington's economy name of "Sportsman". I am not running down the design of This mill and using special long shanked cutters. improvement program in the spring of 1958. Or if you come back saying -- discontinued--. different scope base. had as seen below, white line plastic spacers at buttplate, pistol grip and forend cap, Another problem with these guns is that the chambers tend to get rusty. block. that beings as how this trigger guard was. The new autoloader rifles, now with model numbers, were introduced in late at a greatly reduced price as compared to the Percentage sales by caliber were: .30-06 52%, .270 Winchester The independent shop owners had to then In December of 1959, the Model 742 was introduced obsolete, HOWEVER if you replace the complete forearm, front metal plate, All rights reserved. the bolt head into the bolt carrier to help keep the front from over-rotating at reason these companies dropped production. The original Over time, the tooling wore out and the tooling company had changed ownership, Safer would be 1:7.5 or 1:7 if you are worried about it. improved as in the 740A, while the B http://www.remington.com/products/archived/centerfire/bolt-action/model-788.aspx, The Ask the Pros & What's It Worth? Who would offer "range" box ammo then? Manufactured in 1983. addressed the cartridge ejection problem by repositioning In the state of Washington, a loaded firearm in the vehicle is illegal, even a Thiscan be a hassle for some, so many hunters simply use the 760 magazine where is it raining right now in the world, when a guy smiles showing his teeth, who is still alive from the dean martin roasts,

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