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mk 18 mod 0
The Close Quarter Battle Receiver (CQBR) is a replacement upper receiver for the M4A1 Carbine, developed by the US Navy.
The CQBR features a 10.3 in (262 mm) length barrel (similar to the Colt Commando short-barreled M16 variants of the past) which makes the weapon significantly more compact, thus making it easier to use in, and around, vehicles and in tight, confined spaces. The overall length of the upper receiver is 19.25 inches (489 mm). With the stock retracted, the overall length of the weapon is 26.75 inches (679.4 mm). Those created as complete rifles (rather than only upper receivers) are type designated as Mk 18 MOD 0/1.
Special forces units utilize the CQBR for scenarios such as VIP protection, urban warfare, and other close quarters battle (CQB) situations.
Its former preliminary National Stock Number (NSN) had been 1005-LL-L99-5996. A complete CQBR-equipped carbine now has the NSN 1005-01-527-2288.
Purchased new this year, installed but never fired. A couple of minor handling marks. Good for a Mk.18 Mod 0 build.
This one will accept the KAC RAS and other RAS clones without modification. Not all 10.5 PSA uppers will due to the bbl profile.
$139 Cash/Check/MO or Venmo/CashApp/Zelle...