eggs_bennyCustom AR-15 compatible .22LR upper with additional lower parts and spare parts for BCG. Full Specs: Aero Precision M4 (Thunder Ranch Edition) upper, no FA BCM MCMR 13" FDE CMMG 16” barrel and BCG combo Geissele ACH DDC Tactical Solutions Muzzle Brake Better-Mag S&W® .22 Rimfire Magazine Adapter Catch-22 V1 Bolt Catch BoreBuddy .22lr Parts: 22lr Power Extractor springs 22lr AR Bolt Buffers 22lr AR Buffer Pressure Plug 22lr Firing Pin Springs
