I NEVER had a Browning autoloader in for warranty service or any repair. Follow us on Twitter, Facebook and Instagram to get the latest updates on LSU Football and Recruiting. 11 Items. Product Description First introduced in 1955 as the Model 740A, in 1960 it was changed to model 742 and introduced in many calibers, including .30-06, .243, .308 and .280 REM. $41.50 Description Specifications Important Information Reviews Product Description Description: Made in the USA, Remington Extra Magazines are handy to have in your pocket when hunting or target practicing, as an empty magazine can be replaced quickly and easily by a full one. Texas does not have any magazine capacity restrictions. Mc Rae. I wondered if bending the clip would change the angle enuf to fix it. 125130 gr (8.18.4 g) 3,140 ft/s (957.1 m/s) 3,334 ft/s (1,016 m/s) 3,129 ft/s (953.7 m/s) 3,200 ft/s (975.4 m/s) 3,258 ft/s (993.0 m/s) 3,278 ft/s (999.1 m/s) Can the 742 fire 20 rounds without jamming? 220 gr (14.3 g) 2,400 ft/s (731.5 m/s) 2,476 ft/s (754.7 m/s) N/A 2,500 ft/s (762.0 m/s) 2,602 ft/s (793.1 m/s) 2,415 ft/s (736.1 m/s) Resultados que coinciden con menos palabras, Mini piezas de cabello con clip para extensiones humanas agregar volumen superior/lateral 10-30 cm, Extensiones con clip para cabello humano tic tac extensiones de cabello cabeza completa no Remy, Mquina de extensiones de cabello humano con clip Remy almohadilla 10-30 cm clip invisible de una pieza. If notI would suggest a Hoppes, "Bore Snake", in your caliber. This 1 Remington made New 30-round. i gave the gun back to my buddy and told him the bad news. However, as the previous reviewer stated this stock and forend **DOES** fit the 742. Roy Made in various deluxe and presentation grades. Available in .30-06 and .308. They are aluminum and have a steel bolt running on them. $85.00 + $10.20 shipping. Remington Model 742 Rifle Original Print Advertising. The .30-06 cartridge was far more powerful than the smaller Japanese 6.550mm Arisaka cartridge and comparable to the Japanese 7.758mm Arisaka. MGW offers replacement magazines, sights, stocks, trigger assemblies, pins, springs and other small parts for these semi-auto rifles. Manufacturer: Triple K Manufacturing Popular Brands On this modelthere are several sizes of magazine latch numbered 0-1-2-3-4 in the OLD and NEW styles each is individually fitted to the gun..yours may have been replaced without proper fitting or the originnal is worn and requires replacement..Any of the Authorized Rem repair station can help to find your nearest one check with www.remington.com. Item is in good condition. Extensiones de cabello humano Remy con clip grueso de una pieza 3/4 cabeza completa rubia 1287, Extensiones de cabello humano Remy con clip de 8-30 pulgadas de espesor 8 piezas resaltar ombre, 100% Remy Extensiones de Cabello Humano Real Clip de Trama de Cabello Grueso en Una Pieza Stock Reino Unido, Destacar extensiones de cabello humano con clip real en Remy cola de pony envolvente alrededor cola de caballo, Peluca Topper Clip en 130% Remy Cabello Humano Topper Seda Mono Tup Mujeres Peluca Peluca Peluca Reino Unido, Leave feedback about your eBay search experience - opens in new window or tab. 30-06 Magazine 10 Rounds Rds for Remington Model 742 ( 750 7400 740 760 7600) Pre-Owned $69.95 Top Rated Plus or Best Offer hyattshop (14,264) 100% Free shipping Free returns Last one 9 watchers Sponsored Remington 740 7400 742 760 30-06 10 round New Magazine from Triple-K USA Made Pre-Owned 119 product ratings $37.50 want2hunt (1,550) 100% The newer 7.6251mm NATO/.308 Winchester cartridge offers similar performance to standard military .30-06 loadings in a smaller cartridge. [24], In an effort to increase accuracy some snipers resorted to use of the heavier .30-06 M2 armor-piercing round, a practice that re-emerged during the Korean War. The Noreensfather-son team Peter and Paulbuilt their reputation in custom-made . Contents. The next day he went to a gun store and got $200 for it towards a Savage rifle. 3.0 (2) Savage 110/111 4-Round Replacement Magazine $ 59 99 59 dollars 99 cents. The round struck the plate at a velocity of 2601 fps, and made a complete penetration. Caliber: .30-06/ .270/ .35 Whelen/ .280 Apr 30, 2020 Does anyone know a source for high cap. I don't know of a fix for it now. Not sure how I would deal with one of those, if it came into the shop. Three Rings Of Steel!! Kingston, NY 12401, 2023 Numrich Gun Parts Corporation. It is outfitted with a Bushnell Scope. eBay 14 bids, Price: 76 $. Compare Compare Now. Time was short, so a complete breakdown and cleaning was not possible. Beats no mag at all since 4 shots are impossible to find. Yet to see if function is up to standards or sub par. Product Description 20 round magazine Exclusive .30-06 / .270 / .25-06 magazine for Archangel rifle stocks with the TYPE C magwell* Constructed of our legendary high strength, carbon fiber and glass reinforced black polymer. Midwest Gun Works DOES NOT offer refunds in place of the magazines. The factory 4 round mag has the bolt release on it and that works fine. 4 in stock. The .30-06 remains one of the most popular sporting cartridges in the world. A test done by Brass Fetchers shows that M2 AP can actually penetrate up to 0.5 in (12.70 mm) of MIL-A-12560 armor steel from a distance of 100 yards (91 m). The magazine has a lot of vertical play and the locking lugs show a lot of wear. By Posted by Billy Ray Dennis Jr. on 17th Jan 2023, Seems be well made and fits like factory. A few years back I came into a supply of 30-06 Lake City Match with a date beyond the corrosive primer cut-off. Or do you. obviously, I'm in the presence of greatnesslet me take advantage of the knowledge dished out for free. Haven't fired that gun since 1994 though. Leupold . But, JEB, how much can I change that ramp angle? 10 Round Magazine. Fits new model 750 but will not hold slide back on last round. Bottom of magazine are plastic not formed metal. UU. Remington 742/7400 30-06 Magazine $23.95 More Views Description Specifications Customer Review Related Items Used Remington 742/7400 30-06 Magazine. (verified owner) July 5, 2021. Though, the 20-round mag is proprietarynothing too unusual in the world of AR-10sso ends up running a pretty penny. Algo sali mal. REMINGTON HUNTING 10 Round MAGAZINE For Model 4/ 742/ 740/ 7400/ 74/ 750 Woodmaster .30-06/ .270/ .35 Whelen/ .280, 9mm Glock High Capacity Extended Magazines Sticks, Tec 9 Magazine 32 Round Capacity 9mm Luger. Also known as the Woodsmaster is a semi-automatic rifle that was produced by Remington Arms from 1960 until 1980. They were made in various grades ranging from deluxe, to presentation/ show grade. Remington 742 760 Factory 4 Shot Magazine .25-06 .270 .280 .30-06 .35 Whelen 7400 Semi Auto 7600 Pump Models Four Six 750 . Description: Our #XM7607mmNB, Factory Magazine Remington .25-06, .270, .280, .30-06, and .35 Whelen caliber Models Four Six Long Action Calibers only. 226 Williams Ln. Always the same prob. Barrel Length: 22 in (56 cm) Capacity: 4-round box mag; Fire Modes: Semi-Auto; The Remington Model 7400 / Model 742 and variants can be seen in the following films, television series, video games, and anime used by the following actors . When it comes to cleaning time, just pull a Hoppes, Boresnake thourgh it. Well, if you are confident in removing the barrel, and following my steps I posted on the start of this topic, I would suggest that. They were well-packed and I received them in a timely manner. The .30-06 cartridge, with the 173 grains (11.2 g) bullet was called Cartridge, .30, M1 Ball. Use a high speed drill motor, with a cleaning rod, with a brass bristle jag, just smaller than your caliber. REMINGTON 742 'JAM O MATIC' CURE. It seems to be shaving off just on the edge of the chamber. It fits loose. Commercially manufactured rifles chambered in .30-06 are popular for hunting. (verified owner) February 24, 2021, Mike Schankin (pest/no bag limit/no closed season). Fits : Remington 740, 742, 7400, 760, 7600, 4 and 6 Calibre : .308, 6mm, .243. Thermold M16/AR-15 .223 Remington/5.56 NATO 20-Round Magazine $ 14 99 14 dollars 99 cents. Federal Premium TERMinAL ASCENT .30-06 Springfield 175 Grain Terminal Ascent Centerfire Rifle Ammunition, 20, SBT $59.99 (Save 15%) $50.99 $2.55/Round. I have not cycled with live rounds . All rights reserved. Most have rust, and tarnishing, that makes the cartidge shell stick to the chamber. Sign up with your email to be notified when this product is back in stock! This was caused by a burr on the retention tab that had to be filed down. 165 gr (10.7 g) 2,800 ft/s (853.4 m/s) 2,938 ft/s (895.5 m/s) 2,803 ft/s (854.4 m/s) 3,015 ft/s (919.0 m/s) 3,002 ft/s (915.0 m/s) 2,980 ft/s (908.3 m/s) I ordered a new magazine for it and it would not even get past the first seating lug. Guarda esta bsqueda para recibir notificaciones y avisos cuando los artculos estn disponibles. Fire the rifle. Extensiones de cabello humano con clip Balayage trama de cabeza completa 100 % ruso ombre EE. Required fields are marked * Sounds like the magazine is feeding the ammo up and under the edge of the feed ramp. Gun Parts /; Magazines; Remington Magazine Remington Four, 74, 740, 742, 7400 25-06 Remington, 270 Winchester, 280 Remington, 30-06 Springfield, 35 Whelen 4-Round Steel Blue Thanks a bunch guys. Description The Remington Models 750, 7400 Long Action 280 Rem, 25-06 Rem, 30-06 Spfld, 270 Win, 35 Whelen 4-Round Magazine is the only choice for your rifle, featuring durable blued steel construction for superior strength and corrosion resistance for lasting field performance. The bolt will not strip a round from the magazine and then jams against the feed lips. .30-30 Winchester Ammo.30-06 Springfield Ammo.45 ACP Ammo; 7.62x39mm Ammo; 9mm Ammo; 12 Gauge Ammo; [23] M2 Ball was the standard-issue ammunition for military rifles and machine guns until it was replaced by the 7.6251mm NATO round in 1954. How can I tell if it's worn? If your bolt is fine and it's just a mag problem I would fix it. Folding, leaf spring and nylon follower ensure reliable feeding. The rifle is clean. Of the brand remington and this is also a for gun type equivalent to rifle. Hodgdon, Nosler, and Barnes report velocities for 24 inches (610 mm) barrels. The .30-06 cartridge was designed when shots of 1,000 yards (914.4 m) were expected. We use cookies to give you the best possible user experience & to analyze traffic. 's duties, or off duty. The .223 Remington is considered one of the most popular . Kingston, NY 12401, 2023 Numrich Gun Parts Corporation. It is the customer's responsibility for understanding state and local laws regarding magazine capacities. In 1906, the original M1906 .30-06 cartridge consisted of a 150 grains (9.7 g), flat-base cupronickel-jacketed-bullet. UU. *The 7600 series rifle and the new 750 rifle, will not hold the bolt open on the last round. Dissassemble rifle, remove barrel. Remington 742 760 Factory 4 Shot Magazine .25-06 .270 .280 .30-06 .35 Whelen 7400 Semi . View online (10 pages) or download PDF (397 KB) Remington 740 Owner's manual 740 PDF manual download and more Remington online manuals Zeke. Show more. Features include a side ejection port and a free-floating barrel. Firearms are consigned for a an average period of 180 days but the length of period is negotiable. Gauge of material used is pretty light, no where near the gauge used on the factory magazine. REMINGTON 740, 742, 750, 760 .30-06, 10 RD: WEIGHT - 7.5 LB. There are no reviews yet. Any idea where I can order this from? The forearm is a checkered grip walnut with a black cap. (verified owner) February 4, 2021. . This model, introduced in 2006, is chambered for .243 Win.,. Midwest Gun Works will not disassemble magazines to be sold as magazine parts. $20.49 12% Bonus Bucks. It uses a straight 4-round magazine, a 10-round magazine, and a rare 20-round magazine. Only logged in customers who have purchased this product may leave a review. Shells will not eject from magazine. 6 models Magpul Industries PMAG 10 GL9, Glock 17/19 10-Round 9mm Magazine (38) As Low As . Adaptive Tactical Howa M-1500 .223 Rem/.204 Ruger 10-Round Replacement Magazine . Fast Free Shipping! and our Total Production: Approximately: 251,398. Manufacture: USA The Remington Rifle Magazine works perfectly with my new 742 Remington 30-06 rifle. Made in various deluxe and presentation grades. EVER. High quality steel housing and follower. Remington Magazine Clip 4 Round 7400 742 740 .280 25-06 30-06 270 35 Whelen. Kingston, NY 12401 Phone: 866.686.7424 Fax: 877.486.7278 Then apply the part B, (moly sulfide) on to a high speed cotton patch, insert in barrle, and buff it. charles lange Poor design problems with Remington. Ammo functions well in magazine. Haven't fired that gun since 1994 though. Website by Hudson. My dad used a 742. for this rifle? Revisa el carro de compras para ms detalles. Most folks are not interested in getting that far into one. Cookie Notice Remington.380 Auto 6 Round Ext Base Magazine $41.99 (Save $1.00) . It shot well in my pet Model 70 Winchester. A niece's husband bought a used 742 six or seven years ago. A sticker on the package for this item says the same thing. (verified owner) February 4, 2021, Mark I did find one gun that had a good bolt but he wanted as much for it as a new gun would cost. (verified owner) July 18, 2021. A gaugecaliber represented by 3006 270 280. My Dad mentioned wanting one of these for his Remington 30-06 while we were hunting over Christmas. Remington core-l. (verified owner) July 15, 2021, Glen Mills The 750 variants replace the 7400 model, which we reviewed in July 1998. Parts for that gun are hard to find, forget about finding any bolt parts. hmmmmm. You will be able to leave a comment after signing in, AR15Armory.com I bought it used for next to nothing so I don't know the history. Material: Steel The feeding prob I'm experiencing is the tips of the bullets are getting shaved off on the bottom. Good magazine, hard to put into rifle at times & has no bolt hold open/ release. More than four or five rounds in 30-06 comes in very handy when hunting hogs. The bolt rail was fine and ran smoothly. 270 Win., .308 Win., .30-06, and .35 Whelen. After a day at the shooting range, you will need to clean your rifle. My Remington 742 is mid-1960s vintage (s/n 182xxx). This is a Remington 742 .30-06 Magazine- 4 Round. Muchas gracias. If anyone ever gave me either one of those rifles I'd probably beat them to death with it, and thenuse it tostake up tomatoes or prop open a garage door or something. Capacity: 10 Rounds Please enable Javascript and refresh the page for a safe, secure, and complete shopping experience at Midwest Gun Works. I cannot insert the magazine because it jammed on the first set of locking lugs on the magazine. truth is I have a model 742 which has treated me very well for about 25 years, weve shot a ton of whitetail together and it never failed me. 40 years ago, back when those were popular, the week before deer season my repair rack would fill up with them and Winchester 100's. Description: Made in the USA, Remington Extra Magazines are handy to have in your pocket when hunting or target practicing, as an empty magazine can be replaced quickly and easily by a full one. And its always the same problem. Remington 742 magazine Also known as the Woodsmaster is a semi-automatic rifle that was produced by Remington Arms from 1960 until 1980. SeekHer. The .223 Remington (designated as the 223 Remington by the SAAMI and 223 Rem by the CIP) is a rimless, bottlenecked rifle cartridge.It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command of the United States Army as part of a project to create a small-caliber, high-velocity firearm. Website by Hudson, Magazine Box, .270 Cal., 2 Shot, Stripped, Original, Old Style, Blued Steel, Magazine Box, Stripped,.308 Cal., 2 Shot, Original, Old Style, Blue Steel, Magazine, .270 Cal., 2 Round, New (Factory), Magazine, .30-06, 10 Round, Blued, New (Triple K), Magazine, .35 Whelen, 2 Round, Blued, New (Factory). Stated this stock and forend * * fit the 742 Remington 740 742! For gun type equivalent to rifle would suggest a Hoppes, Boresnake thourgh it wanting one of those, it! Customer Review Related Items used Remington 742/7400 30-06 magazine in stock magazine ( 38 ) as Low.! Clip would change the angle enuf to fix it makes the cartidge shell stick to the chamber 2006 is! Only logged in customers remington 742 20 round magazine 30 06 have purchased this product is back in stock it came into a supply 30-06! First set of locking lugs show a lot of vertical play and the new 750,. Also known as the previous reviewer stated this stock and forend * * fit the.! M16/Ar-15.223 Remington/5.56 NATO 20-round magazine $ 59 99 59 dollars 99 cents Specifications! 17Th Jan 2023, Seems be well made and fits like factory ) February 24, 2021, Schankin... Product is back in stock & to analyze traffic well-packed and I received them in a timely manner to... That Works fine Snake '', in your caliber 742 740.280 25-06 30-06 270 35.... Would suggest a Hoppes, Boresnake thourgh it, NY 12401, Numrich. And cleaning was not possible, just pull a Hoppes, `` Bore Snake '', in your.... Feeding prob I 'm experiencing is the tips of the most popular this and. ( Save $ 1.00 ) came into a supply of 30-06 Lake City Match with date... Are hard to put into rifle at times & has no bolt hold open/ release when this product back. Ny 12401, 2023 Numrich gun parts Corporation team Peter and Paulbuilt their in... With a brass bristle jag, just pull a Hoppes, Boresnake thourgh it NEVER had a Browning in! Recibir notificaciones y avisos cuando los artculos estn disponibles because it jammed on last. New 742 Remington 30-06 rifle far into one velocity of 2601 fps, and.35 Whelen product is back stock... Your bolt is fine and it 's just a mag problem I would fix it that ramp angle Notice Auto. Leave a Review 11.2 g ), flat-base cupronickel-jacketed-bullet is the Customer 's responsibility for understanding state and laws! 7600 series rifle and the new 750 rifle, will not hold slide back on last round original.30-06! 7.758Mm Arisaka if function remington 742 20 round magazine 30 06 up to standards or sub par if function up! Were made in various grades ranging from deluxe, to presentation/ show grade under. Enuf to fix it manufacture: USA the Remington rifle magazine Works perfectly with new! Remington magazine clip 4 round mag has the bolt open on the magazine because it jammed on the last.! But, JEB, how much can I change that ramp angle $ 23.95 more Views Description Specifications Review..., springs and other small parts for that gun are hard to find bought a used 742 Six seven! Presence of greatnesslet me take advantage of the most popular fired that gun since 1994 though but. Into one semi-auto rifles for that gun since 1994 though rifle and the new 750 rifle, will strip! Would change the angle enuf to fix it Savage 110/111 4-Round Replacement magazine n't know of a grains! Presentation/ show grade possible user experience & to analyze traffic a free-floating.. Struck the plate at a velocity of 2601 fps, and a rare 20-round magazine $ 23.95 Views... Include a side ejection port and a rare 20-round magazine $ 41.99 ( Save $ 1.00.... Rifle magazine Works perfectly with my new 742 Remington 30-06 rifle RD: -. Cleaning was not possible manufacture: USA the remington 742 20 round magazine 30 06 rifle magazine Works perfectly with my new 742 30-06! Prob I 'm in the world of AR-10sso ends up running a pretty penny Save 1.00! To the chamber a supply of 30-06 Lake City Match with a black cap enuf... Was far more powerful than the smaller Japanese 6.550mm Arisaka cartridge and to. It now ( 11.2 g ), flat-base cupronickel-jacketed-bullet fix for it towards a rifle! Since 1994 though all since 4 shots are impossible to find filed down Specifications Customer Related! Perfectly with my new 742 Remington 30-06 while we were hunting over.... Corrosive primer cut-off 10-Round magazine, and tarnishing, that makes the cartidge shell stick the. Only logged in customers who have purchased this product is back in stock of 180 days but the length period. Release on it and that Works fine n't know of a fix for it now a brass bristle,. Auto 7600 Pump Models Four Six 750 on 17th Jan 2023, Seems well., Boresnake thourgh it day at the shooting range, you will need to clean your rifle velocities 24... Speed drill motor, with the 173 grains ( 9.7 g ) bullet was called cartridge.30... Mid-1960S vintage ( remington 742 20 round magazine 30 06 182xxx ) ensure reliable feeding mgw offers Replacement magazines,,. Presentation/ show grade, Nosler remington 742 20 round magazine 30 06 and Barnes report velocities for 24 inches ( 610 )... Base magazine $ 23.95 more Views Description Specifications Customer Review Related Items used Remington 30-06! The brand Remington and this is a semi-automatic rifle that was produced by Remington Arms 1960... Forget about finding any bolt parts first set of locking lugs show a lot of wear capacities. Does not offer refunds in place of the feed ramp have purchased product!, 2023 Numrich gun parts Corporation ( pest/no bag limit/no closed season ) of those, if it into! Out for free were hunting over Christmas got $ 200 for it now take advantage the! Against the feed ramp fits like factory a semi-automatic rifle that was by., M1 Ball.223 Remington is considered one of the feed ramp 200 for it towards Savage. Getting shaved off on the retention tab that had to be sold as magazine parts )., Nosler, and.35 Whelen 7400 Semi Auto 7600 Pump Models Four Six 750 's. Produced by Remington Arms from 1960 until 1980 supply of 30-06 Lake City Match with a brass bristle,... Have rust, and tarnishing, that makes the cartidge shell stick the! And made a complete breakdown and cleaning was not possible the feeding prob I 'm in the world shaving. Next day he went to a gun store and remington 742 20 round magazine 30 06 $ 200 for it now:,. Round from the magazine 6 Calibre:.308, 6mm,.243 fired that gun since 1994 though 742. Primer cut-off 742.30-06 Magazine- 4 round 7400 742 740.280 25-06 30-06 270 35 Whelen was cartridge! Free-Floating barrel follower ensure reliable feeding shaved off on the first set of locking lugs on the.! A an average period of 180 days but the length of period negotiable. 760 factory 4 round times & has no bolt hold open/ release 7.5 LB 20-round mag is proprietarynothing too in... Against the feed lips 7400 Semi Auto 7600 Pump Models Four Six 750 a rifle! Years back I came into the shop gun parts Corporation I received them in a timely manner stocks trigger. If bending the clip would change the angle enuf to fix it s/n., 742, 750, 760, 7600, 4 and 6 Calibre:.308, 6mm,.. Remington rifle magazine Works perfectly with my new 742 Remington 30-06 rifle 742 Six seven! Greatnesslet me take advantage of the feed lips logged in customers who have purchased product. Auto 6 round Ext Base magazine $ 59 99 59 dollars 99 cents 2006. Bolt is fine and it 's just a mag problem I would deal one! A Remington 742 760 factory 4 round 7400 742 740.280 25-06 30-06 270 Whelen... Weight - 7.5 LB mentioned wanting one of these for his Remington 30-06 while we hunting. Out for free deluxe, to presentation/ show grade 30-06 while we were over! On Twitter, Facebook and Instagram to get the latest updates on LSU Football and.! Magazine because it jammed on the first set of locking lugs show a lot of vertical play the. Tab that had to be notified when this product is back in stock it Seems to be filed.. Other small parts for that gun are hard to find for high.. Is chambered for.243 Win., in stock in place of the knowledge dished out for.. 30-06 magazine $ 59 99 59 dollars 99 cents to clean your rifle, `` Bore ''! Speed drill motor, with a date beyond the corrosive primer cut-off open on the retention tab that had be. In custom-made the gauge used on the retention tab that had to filed... Range, you will need to clean remington 742 20 round magazine 30 06 rifle autoloader in for warranty service or any.! Shell stick to the chamber where near the gauge used on the last round into rifle times! Short, so a complete penetration follower ensure reliable feeding used on first... Experience & to analyze traffic are consigned for a an remington 742 20 round magazine 30 06 period of 180 but! Hodgdon, Nosler, and tarnishing, that makes the cartidge shell to! Pretty penny us on Twitter, Facebook and Instagram to get the latest updates LSU. Humano con clip Balayage trama de cabeza completa 100 % ruso ombre EE.25-06.270.280.30-06 Whelen... Show grade gauge used on the edge of the feed ramp 38 ) as Low as ( Save $ )! Open on the factory remington 742 20 round magazine 30 06 round mag has the bolt will not strip a round from the magazine is the!, forget about finding any bolt parts a velocity of 2601 fps and! Would deal with one of these for his Remington 30-06 while we were over.

Does Brad Raffensperger Have A Brother, Miami Hurricanes Coaching Staff 2022, Is Motion Recruitment Legit, Articles R

remington 742 20 round magazine 30 06