Geissele Automatics Border Patrol 5.56 NATO 18" Semi-Auto Rifle

The Geissele Automatics Border Patrol is a semi-automatic AR-15 pattern rifle built around an 18-inch cold hammer-forged barrel and chambered in 5.56 NATO. It uses a rifle-length gas system with a Geissele Super Compact Gas Block and features a 14.6-inch MK20 M-LOK rail for attaching accessories along the forend. The rifle comes with forged Super Duty upper and lower receivers, an ALG Advanced Combat Trigger, a BCM Mod 0 stock, B5 grip, and an A2 flash hider, and is shipped without a magazine. 18-inch cold hammer-forged 5.56 NATO barrel 14.6-inch MK20 M-LOK free-float handguard BCM Mod 0 stock and A2 flash hider configuration Overall length ranges from roughly 34.5 to 37.5 inches depending on stock position, giving the Border Patrol a balanced, duty-style configuration suitable for a wide variety of rifle roles. Its combination of quality components and proven AR ergonomics makes it a solid choice for users seeking a robust 5.56 NATO platform.