I am Very Happy with my M4 SOCOM Profile Upper. BCM® barrels are phosphated before installation of front sights. About 458 SOCOM Steinel Ammunition is known for our 300-grain JHP 458 SOCOM load. Ready to fire on your lower receiver. Toggle search. .458 SOCOM 16” 4150 Parkerized ... 300 BLK 7.5" Forged Complete Upper has a 7.5" Parkerized barrel, 1:8 twist rate and a 7" MLOK. BCM® barrel steel is Mil-Spec per MIL-B-11595E. The quality and workmanship are top notch. .458 SOCOM (AR-15) - AR-15 & LR-308 Upper Build Kits.458 SOCOM (AR-15).458 SOCOM (AR-15) My New 458 SOCOM Carbine Build Tromix upper, bolt, break, and barrel 1:18 twist Apex Gator Grip Handgaurd 12.625" WMD M16 NiB-X BCG V7 Weapon Systems Titanium Barrel Nut Magpul AFG, MBUS, UBR, BAD Lever Spikes Lower, Enhanced Parts Kit, T1 Buffer BCM Gunfighter Large Charging Handle David Tubb Precision Buffer Spring Battle Arms Development Titanium Pin Set Geissele (SSA … Thu: 8:00 am – 5:00 pm Lower is finished, two pieces fit great, now just needs to go to the range for field testing! $288.54. The chrome bore and chamber is harder than the barrel steel and on the USGI M16/M4 rifles will aid in chambering, extraction, and reliability. $225.54. One of the modifications done to increase reliable feeding included enhancing the angle and the length of the feed ramps. Bcm is top of the line their socom profile carbines are well priced and well made. Bcm socom upper reciever. When I want nothing but the best, I choose BCM!!! Discounted complete 458 SOCOM upper assembly. 458 Socom Complete Upper Assemblies for AR 15. Lancer Magazine – 7 Round 458 SOCOM $ 22.00 Add to cart; Carbine Buffer – Standard 3oz $ 12.00 Add to cart.458 SOCOM Complete Assembled Upper – Left Handed $ 920.00 – $ 1,090.00 Select options AR-15 16″ Upper, 5.56 NATO/ .223 wylde, w/ 10.5″ Rail $ 384.99 $ 329.99 Add to cart; 300 Blackout, 7.5″ Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, 7″ MLOK Rail, Side Charging Upper $ 437.24 $ 399.99 Add to cart; 7.5″ 6061 Billet Upper, 300 AAC Blackout, 1:8 … .even under the front sight base. Military specifications also state that the entire barrel surface is phosphate finished to create a porous surface to absorb oil as to resist against corrosion from the elements. Must order STAINLESS barrel above, for this upgrade. These Mil-Spec M4 feed ramps are part of the original CNC manufacturing process. This upper is by far one of my favorite, it comes ready to drop in a quad rail or any other hand guards of your choice. Large subsonic bullets stabilize fine with 1:14 twist in 12″ and longer barrels. Prior to shipping, all BCM®™ upper receiver groups are test fired for function, laser bore sighted with a Milspec carry handle for sight alignment within Mil-Specs, and then batch samples are test fired for accuracy. Posted by Richard Angueira on Jun 4th 2019. $179.00. $280.04. Tromix uses secure payment methods. The USGI 1/7 twist rate of all of the BCM® barrels is the preferred twist rate by most professional infantryman. It increases velocity, and also resist against fouling and corrosion from extended use in the field. Black chromoly barrels and Blackened Stainless barrels are externally coated with 2400 Series Bake-On GunKote. The barrels are MP inspected with both circular and longitudinal magnetic fields per ASTME1444-01 (current Mil-Spec) to assure a high quality finished product. Get the latest updates on new products and upcoming sales, Mil-Spec 11595E - Certified Barrel Steel (CMV). ! 458 SOCOM AR15 Uppers for Sale at Joe Bob Outfitters! This is a much more extensive assembly operation, but insures that the entire barrel is finished and protected . Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 120 … Parts are in stock. The government profile barrel is also compatible with the current M203 mounting systems. Mil-Spec taper pins secure the forged front sight base with the sling swivel secured by tubular rivets. One of the first modifications that were made to the original M16 in the mid 1960 s was the addition of the chrome lined bore and chamber. Cart. Suppressed 458 socom!! Can't go wrong with BCM. Mil-Spec F-Marked Forged Front Sight Bases. The SOCOM M4 profile is a mid-weight profile barrel for the M4A1 Carbine. the mil in the barrel was a little small … Compare prices from more than 30+ gun stores. This best in class AR15 upper is made specifically for the 458 SOCOM, from the most trusted brands including Wilson Combat, CMMG, and much more! Note: NiB bolts have black extractors and ejectors installed. Skip to content. BCM® barrels are proof loaded and then MPI (Magnetic Particle Inspected) to detect any possible flaws in the barrels surface. The 14-16 with pin/welded brake is ONLY available with the already installed 4-port light weight brake. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. Barrels are parkerized with the manganese phosphate finish (Mil-Spec A-A-59267). Tue: 8:00 am – 5:00 pm Upgrade your upper with the Midwest Industries CRM M-Lok hand guard or a round aluminum free float tube. Prior to shipping, all BCM®â„¢ upper receiver groups are test fired for function, laser bore sighted with a Milspec carry handle for sight alignment within Mil-Specs, and then batch samples are test fired for accuracy. I’ve purchased uppers from other manufacturers and have been underwhelmed but not with BCM, they are worth every penny. Fri: Closed This is a complete, AR-15.458 Socom Complete Upper Receiver with a MLOK handguard that is fully assembled and will perform without hesitation, consistently placing rounds where you aim. Posted by Sean O'Brien on Jan 10th 2019. For hunting medium to large game, bullets in the 250 grain– 400 grain weight range possess devastating killing power. Complete Upper Assy., AM-15, M-LOK, 20'' Bull Barrel, 5.56 NATO, Ambi Charging Handle, RF85 Treated Wanted a Serious Duty M4 Carbine Upper. As such, the upper receiver group will show handling marks consistent with these quality control procedures. What is also really nice is that it came with the BCMGunfighter Mod 0 Comp on it. Submit search. Why would anyone pick any other rifle. AR-15 .458 SOCOM Flat Top Upper Receiver, Stripped 7075 T6 Aluminum Frogings Black anodized finish M-4 feed ramps Ejection port machined extra wide for the .458 Socom and other large bore calibers Made in the USA by Anderson ManufacturingCompatible with Mil Spec AR-15 lowers .. 20039 E. 600 Road, Inola OK 74036, USA. Since then we have not only added more calibers, but we have also added more SOCOM loads to help fill the various roles that this caliber can handle. It is now a worldwide standard in the industry for a battle rifle. Sun: Closed. To learn more, visit www.p65warnings.ca.gov. Never had a problem with any of their products, and their customer service is outstanding. Dragged out my favorite rifle on a beautiful spring day! This gives the end user a longer barrel life with less required time in maintenance and cleaning. SOCOM requested the mid profile to better handle the volume of fire from their shooters. www.ar15part.com. This USGI modification was done to both the barrel extension and the upper receiver, creating a longer and steeper feed ramp. Davidson Defense "Snakeball" AR-15 Pistol Upper Receiver 10.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 13" M-Lok Handguard (Assembled or Unassembled) $644.99 $339.99 Custom Deal Mercury Precision 80% Lower + KAK Mil-Spec LPK + Trinity Force Cobra Stock + … Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. DO NOT select an optional brake if you have selected the 14-16 barrel. The actual weight of complete upper was lighter than I expected. If you get a email notification and you check back again with our website to see that the product has already again sold out, please click the link again and add your email to the notification list. Fast 1:10 twist also available in 8″ and 10.5″ stainless steel only. All of the BCM® flat top uppers feature a USGI type laser etched T-marks to provide addressing for the remounting of tactical accessories such as optics, laser sights, etc. As of January 2021 – Lead time to ship your complete custom upper, built with your selected options, is 5-10 days after the order is received. The front sight is a B$&@“ to get off. They are fully assembled, headspaced, and test fired. Base model (no options selected) includes black 4150 chromoly barrel, black flash hider, black gas block, bolt/carrier, charging handle, with plastic GI hand guards. This grade (CMV) of steel is a Mil-Spec steel used in the USGI M16 family of rifles; it is stronger and will last longer than the typical barrels offered in the commercial market. The contemporary M16/M4 rifle is built around the concept of modularity. I am very pleased with this upper. This.458 Socom Complete Upper Receiver MLOK is built by J-5 Tactical using only quality American made parts. Save big on a new 458 socom upper receiver. This Upper is outstanding and the barrel is perfection. Maker Bullets – These solid copper hollow points offer world-class expansion and weight retention. As a result, the factory machined M4 feed ramps on the receiver are hard coat anodized which adds significant strength to the aluminum. Military specifications require that barrels undergo a HPT (High-Pressure Test) load as a part of quality assurance procedures. MILLIONS of configurations! With the shorter carbine gas system and the increased gas port pressure, the carbine cycled faster, and at times the cycle rate could be faster than the magazine would feed ammunition. The gel shot used a ballistic-tip hollow point. Custom design your AR-15 Upper. Duty rifles are built to be carried - day in and day out. The best price for 458 socom upper receiver for sale online. First taper pin was anyways the second towards reciever came out easy. Posted by Luke Humphries on Sep 18th 2019. Sat: Closed I will be looking to BCM for future builds. . Mon: 8:00 am – 5:00 pm The USGI 5.56 NATO chamber is the best choice for effective deployment, reliability, and compatibility, of higher chamber pressures of military ammo. Standard twist is 1:14. .458 SOCOM Complete Assembled Upper – Left Handed $ 920.00 – $ 1,090.00 Select options.458 SOCOM 8″ Micro Complete Assembled Upper – Left Handed $ 969.00 – $ 1,069.00 Select options.458 SOCOM Complete Assembled Upper – Right Hand Mil-Spec for rifles issued to the troops require taller front sight bases on all flat top AR rifles. Copyright 2005 - 2010 Bravo Company MFG, Inc. ***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. You will get immediate notification of all new arrivals of product. All barrels are threaded 5/8-24 except for the 16″ unthreaded model. Toggle Menu. Please check back with our website often, we cannot take pre-orders or backorders on these products. As a note: BCM®™ barrel components are parkerized separately before assembly. This profile is being adopted as a new standard for the M4A1 Carbine. In developing the USGI M4 carbine as one of the primary weapons for today s infantry, some modifications were performed to the original M16 platform to enhance the reliability of the shorter barreled carbines. This feature is offered on all BCM® uppers and all BCM® barrels. I have the 14.5" SOCOM with the pinned and welded A2X Flash Hider and loved the barrel so much and the way that thing shoots, I wanted one in 16" and couldn't be happier. Also available with various muzzle attachments, BCM GunFighter ambi charging handle, engraved ejection port cover, etc. Search site. Shop Our Categories. This enables the weapon platform to be easily configured and then accurately reconfigured for each specific mission. No other brake can be substituted. AR-15, 7075 T6 Aluminum Upper Receiver, Gas Tube, Low Profile Gas Block, Free Float Rail or Handguard, Flash Hider or Muzzle Brake, Melonite or Stainless Steel Barrel AR-15 Upper Assemblies in 458 Socom | AR Complete Upper in 458 Socom Wed: 8:00 am – 5:00 pm The Mil-Spec grade steel gets its additional strength and rigidity from an increase in carbon and/or vanadium in the alloy. The 458 SOCOM cartridge offers the practical ballistics of the legendary .45-70 in a modern AR platform rifle and is capable of firing 250 to 600 grain .458 caliber bullets in a lightweight, controllable package. This twist rate has proven very versatile and can effectively run the new heavier 5.56 ammo that is hugely popular with military and private security personal for its superior ballistics. ***, BCM® Standard 16" M4 (SOCOM) Upper Receiver Group, BCM® Bolt Carrier Groups, Components and Parts, AR-15 Barrel Parts, Flash Suppressors, Gas Blocks, BCM® Upper Groups with KMR™ (KeyMod™) Handguards, BCM® Upper Groups with QRF™ (Quad Rail Forend), BCM® Upper Groups with (M-LOK®) MCMR Handguards, Armorers Tools, Cleaning, Lubrication, etc, All Armorers Tools, Cleaning, Lubrication, etc, BCM® Standard 16" M4 SOCOM Barrel, Stripped, BCM® Standard 14.5" M4 (SOCOM) Upper Receiver Group, BCM® Standard 14.5" M4 (SOCOM) Upper Receiver Group w/ QRF-7 Handguard, BCM® Standard 16" M4 Carbine Upper Receiver Group, BCM® Standard 16" M4 (SOCOM) Upper Receiver Group w/ QRF-7 Handguard, BCM® Standard 16" C8 SFW (Special Forces Weapon) Upper Receiver Group, BCM® Upper Receiver - M4 Flat Top (M4 Feedramps) Complete (Unassembled) - DEMO/Scratched, BCM® Standard 14.5" M4 SOCOM Barrel, Stripped, BCM® Standard 14.5" M4 Carbine Upper Receiver Group. TROMIX CORPORATION The flats milled under the handguards are for mounting of the M203. Many commercial offerings use M16A2 height front sight bases on all of their barrels regardless of what type of upper it is installed on. All BCM® barrels are marked HP MP as our proof load marking. Available in Black 4150 chromoly steel or 416 Stainless steel options. As all of the BCM® uppers are built for flat top uppers, all have the proper Mil-Spec F marked front sight base to insure the correct height for iron sight zeroing when using military iron sights. Commonly referred to as a proof load, the M197 HPT is rated for 70,000 psi. Secured by tubular rivets installed on of all of the line their SOCOM profile carbines are well priced and made. Use M16A2 height front sight base with the manganese phosphate finish ( Mil-Spec A-A-59267 ) posted by Sean &! Offerings use M16A2 height front sight bases on all of the original CNC manufacturing process and resist. 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