As a result, the factory machined M4 feed ramps on the receiver are hard coat anodized which adds significant strength to the aluminum. Sun: Closed. BCM® barrel steel is Mil-Spec per MIL-B-11595E. The actual weight of complete upper was lighter than I expected. DO NOT select an optional brake if you have selected the 14-16 barrel. About 458 SOCOM Steinel Ammunition is known for our 300-grain JHP 458 SOCOM load. .458 SOCOM (AR-15) - AR-15 & LR-308 Upper Build Kits.458 SOCOM (AR-15).458 SOCOM (AR-15) Posted by Billy on Jul 26th 2020 After I received it I removed the front sight and delta ring. Wanted a Serious Duty M4 Carbine Upper. 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. 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. 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. BCM® barrels are proof loaded and then MPI (Magnetic Particle Inspected) to detect any possible flaws in the barrels surface. 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 + … I will be looking to BCM for future builds. 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. This enables the weapon platform to be easily configured and then accurately reconfigured for each specific mission. Made by Bravo Company MFG, Inc. (BCM®™) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. 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. 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 … The USGI 1/7 twist rate of all of the BCM® barrels is the preferred twist rate by most professional infantryman. Shop Our Categories. You will get immediate notification of all new arrivals of product. $280.04. 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. Fast 1:10 twist also available in 8″ and 10.5″ stainless steel only. Available in Black 4150 chromoly steel or 416 Stainless steel options. Can't go wrong with BCM. 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. The USGI barrel profiles (often referred to as the Government Profile) enable the operator to carry their weapon for longer periods of time and deploy them faster than the heavier commercial H-Barrel counterparts. Parts are in stock. 20039 E. 600 Road, Inola OK 74036, USA. When I want nothing but the best, I choose BCM!!! ***, 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. Posted by Sean O'Brien on Jan 10th 2019. I’ve purchased uppers from other manufacturers and have been underwhelmed but not with BCM, they are worth every penny. Complete Upper Assy., AM-15, M-LOK, 20'' Bull Barrel, 5.56 NATO, Ambi Charging Handle, RF85 Treated As a note: BCM®™ barrel components are parkerized separately before assembly. Black chromoly barrels and Blackened Stainless barrels are externally coated with 2400 Series Bake-On GunKote. Standard twist is 1:14. Military specifications require that barrels undergo a HPT (High-Pressure Test) load as a part of quality assurance procedures. Mil-Spec F-Marked Forged Front Sight Bases. I am very pleased with this upper. First taper pin was anyways the second towards reciever came out easy. 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. 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. This Upper is outstanding and the barrel is perfection. 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. Heavy Duty Tromix Billet Receiver – N/A in Skeletonized ($40.00), Upgrade to Nickel Boron Bolt Head ($45.00), Upgrade to Stainless Steel Gas Block ($5.00). Lower is finished, two pieces fit great, now just needs to go to the range for field testing! 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. Tue: 8:00 am – 5:00 pm ! 458 Socom Complete Upper Assemblies for AR 15. This feature is offered on all BCM® uppers and all BCM® barrels. This USGI modification was done to both the barrel extension and the upper receiver, creating a longer and steeper feed ramp. .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. SOCOM requested the mid profile to better handle the volume of fire from their shooters. This profile is being adopted as a new standard for the M4A1 Carbine. Toggle search. MILLIONS of configurations! www.ar15part.com. No other brake can be substituted. Note: NiB bolts have black extractors and ejectors installed. 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. Toggle Menu. .even under the front sight base. As such, the upper receiver group will show handling marks consistent with these quality control procedures. Posted by Richard Angueira on Jun 4th 2019. What is also really nice is that it came with the BCMGunfighter Mod 0 Comp on it. Also available with various muzzle attachments, BCM GunFighter ambi charging handle, engraved ejection port cover, etc. the mil in the barrel was a little small … Bcm socom upper reciever. It is now a worldwide standard in the industry for a battle rifle. This is a much more extensive assembly operation, but insures that the entire barrel is finished and protected . Mon: 8:00 am – 5:00 pm Must order STAINLESS barrel above, for this upgrade. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. All Tromix uppers are test fired prior to shipping. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. If the Stock Status is Out of Stock and you would like to get notification when more product arrives, please click the "Email me when Back-In-Stock" link under the Add To Cart button. The 14-16 with pin/welded brake is ONLY available with the already installed 4-port light weight brake. Compare prices from more than 30+ gun stores. Tromix uses secure payment methods. 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. This.458 Socom Complete Upper Receiver MLOK is built by J-5 Tactical using only quality American made parts. 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 $225.54. 458 SOCOM AR15 Uppers for Sale at Joe Bob Outfitters! The best price for 458 socom upper receiver for sale online. 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. .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 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. Why would anyone pick any other rifle. I am Very Happy with my M4 SOCOM Profile Upper. 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 … The flats milled under the handguards are for mounting of the M203. Upgrade your upper with the Midwest Industries CRM M-Lok hand guard or a round aluminum free float tube. Bcm is top of the line their socom profile carbines are well priced and well made. Due to current demand, ... 458 Socom / 450 Bushmaster Ar15 BCG Bolt Carrier Group - Nickel : 458 Socom / 450 Bushmaster Ar15 BCG Bolt Carrier Group - Nitride: $250.04. All BCM® barrels are marked HP MP as our proof load marking. Wed: 8:00 am – 5:00 pm Many commercial offerings use M16A2 height front sight bases on all of their barrels regardless of what type of upper it is installed on. The quality and workmanship are top notch. Linear Compensator – Two Tone Hybrid ($105.00). This upper is by far one of my favorite, it comes ready to drop in a quad rail or any other hand guards of your choice. One of the modifications done to increase reliable feeding included enhancing the angle and the length of the feed ramps. Submit search. The Mil-Spec grade steel gets its additional strength and rigidity from an increase in carbon and/or vanadium in the alloy. This twist rate has proven very versatile and can effectively run the new heavier 5.56 ammo that is hugely popular with military and private security personal for its superior ballistics. Cart. They are fully assembled, headspaced, and test fired. Thu: 8:00 am – 5:00 pm Posted by Luke Humphries on Sep 18th 2019. The contemporary M16/M4 rifle is built around the concept of modularity. All of the BCM® flat top uppers feature a USGI type laser etched T-marks to provide addressing for the remounting of tactical accessories such as optics, laser sights, etc. The front sight is a B$&@“ to get off. This gives the end user a longer barrel life with less required time in maintenance and cleaning. All barrels are threaded 5/8-24 except for the 16″ unthreaded model. 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