ar 22 lower receiver v1

An AR-15 lower optimized for a CMMG .22 LR conversion kitthe lower, is optimized for an Atchission/CMMG .22 LR conversion kit. Features to it include a 1913 rail on the rear for mounting compact braces or stocks, bolt-catch delete for added reinforcement, and integrated bolt-press-forward to increase reliability. Included also are quality-of-life updates, such as takedown spring geometry and an off-set takedown stand-off for increased print life. AR-15 Upper Receiver AssemblyYou will need one of the following lowerDedicated .22 LR bolt and barrelCMMG .22 LR conversionAtchison-based .22 LR conversion----------------------------------------AR-15 Lower PartsYou will need a complete AR-15 Lower Parts Kit, including:Trigger BowTrigger Bow SpringHammerHammer SpringFire SelectorFire Selector DetentFire Selector Detent Spring2x Takedown Detent2x Takedown Detent SpringMagazine ReleaseMagazine Release ButtonMagazine Release SpringThe AR-15-compatible grip of your choosing------------------------