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The .458 SOCOM (11.63×40mmRB) is a moderately large round designed to work in an AR-15 platform.This is achieved by installing a 458 bolt and barrel. The 300-grain (19 g) round offers a supersonic muzzle velocity of 1,900 ft/s (580 m/s) and 2,405 ft⋅lbf (3,261 J), [1] similar to a light .45-70 but with a much smaller case.
Government-specified barrel profile increased to between 0.675 and 0.575 inches; A2: Also referred to as the "government" or "gov't" profile. Barrel profile for which the portion of the barrel in front of handguards is thickened to 0.715 inches; HBAR: A barrel that in some portion is thicker than government-profile, usually underneath the ...
The Government will also incorporate studies looking into current capability gaps during said reevaluation." OICW Increment 2 was a stand-alone airburst weapon the . This is a standalone launcher that uses bigger 25 mm munition, and was intended to be a special applications and support weapon, not an individual combat weapon as previous models ...
The Block II program then focused on component improvements to the M4A1, with the adoption of the heavier "SOCOM profile" barrel in 2004 and free-float Rail Interface System II (RIS-II) handguard from Daniel Defense in 2008. Owing to the modularity of the AR-15/M4 platform, some operators have replaced issued optics, handguards, and buttstocks ...
List of initialisms, acronyms ("words made from parts of other words, pronounceable"), and other abbreviations used by the government and the military of the United States. Note that this list is intended to be specific to the United States government and military—other nations will have their own acronyms.
M4 (5.56×45mm NATO) (the U.S. Army was upgrading and retrofitting their existing stock of M4 carbines to the specifications of the M4A1, starting in 2014 and was predicted to be completed by 2020) [needs update] Mk 18 Mod 0 CQBR (Close Quarters Battle Receiver) (5.56×45mm NATO) (USMC Recon, USCG DSF, USN SEALs, USSOCOM, and USASOC)
The .458 HAM'R (11.6x39mmRB) is a large bore, centerfire rifle cartridge, designed for use in AR-15 style rifles.Wilson Combat, owned by Bill Wilson (developer of .458 HAM'R), sells a .458 HAM'R chambered, AR-style firearm named the WC-12, which is between the sizes of the AR-10 and AR-15 platforms.
The United States Special Operations Command (USSOCOM or SOCOM) is the unified combatant command charged with overseeing the various special operations component commands of the Army, Marine Corps, Navy, and Air Force of the United States Armed Forces.