LWRC ICA5U5ODG10S IC-A5 5.56mm NATO 10.5" 1:7" 1/2x28 OD Green Complete Upper ReceiverThe LWRC IC-A5 is a complete upper receiver chambered in 5.56mm NATO, featuring a 10.5-inch barrel with a 1:7" twist rate. It comes in an OD green finish and includes a 1/2x28 thread pattern for muzzle devices. This LWRC ICA5U5ODG10S upper receiver is designed for durability and performance in various shooting applications..yellow-box p {font-size:16px}.special-tab {color: #FFFFFF}The LWRC IC-A5 Complete Upper Receiver is designed for superior performance and reliability, building on the advanced technology of the Individual Carbine platform. Featuring the LWRCI proprietary short-stroke gas piston system, this upper receiver offers unmatched reliability and easy maintenance in any condition. It includes a Monoforge design with an integrated rail base, a 9" modular rail, and a low-profile 2-position adjustable gas block, making it highly adaptable for use with suppressors. Constructed from high-quality materials often used in aerospace, the LWRC IC-A5 Upper Receiver ensures exceptional durability and performance, making it an ideal choice for any shooter looking to enhance their AR-platform rifle. LWRCI IC-A5 Upper Receiver Features: Lwrci proprietary short stroke gas piston systemLwrci cold hammer forged nicorr-treated barrel - 1:7 twist rate | 5/8 x 24 tpiLwrci adjustable 2 position gas blockLwrci birdcage (a2) flash hiderLwrci skirmish back up iron sightsLwrci 9"" user configurable rail systemLwrci ambidextrous charging handleH2 bufferCarbine length action spring LWRC IC-A5 5.56mm NATO 10.5" 1:7" 1/2x28 OD Green Complete Upper Receiver ICA5U5ODG10S