Geissele Super Duty 5.56mm NATO 10.3" Bbl Black Pistol w/ Brace 08-562B sits at the compact end of the Super Duty lineup, built for shooters who need a platform that handles fast in tight spaces without giving up the mechanical standards the rest of the line is built on. A 10.3" cold hammer forged, chrome-lined barrel with a 1:7 twist runs on a carbine-length gas system through Geissele's Super Compact Gas Block, keeping cycling smooth despite the shorter dwell time that comes with a barrel this size. The Geissele Super Duty 10.3 designation isn't just a length callout — it's paired with a 9.3" MK16 rail that's mated tight to the upper to eliminate rail rotation, giving enough real estate for optics, lights, and clip-on night vision without crowding the muzzle. Inside, a Nanoweapon-coated Reliability Enhanced Bolt Carrier Group runs a Stressproof Bolt machined from Carpenter 158+ barstock — cleaner steel than standard bolt stock, built for higher round counts before fatigue becomes a concern. The two-stage SSA-E X® trigger with Lightning Bow® splits the difference between a classic M4 trigger feel and a flat-bow design, and the Super Duty lower carries Geissele's Ultra Duty Lower Parts Kit with a configurable ambidextrous safety. Key Features: 10.3" cold hammer forged, chrome-lined barrel, 1:7 twist Carbine-length gas system w/ Super Compact Gas Block Nanoweapon-coated Reliability Enhanced Bolt Carrier Group Stressproof Bolt, Carpenter 158+ barstock SSA-E X® trigger with Lightning Bow® 9.3" MK16 Super Modular Rail SB Tactical SBA3 brace, black finish Airborne Charging Handle (ACH®) This Geissele Super Duty Pistol delivers full-line reliability in the shortest configuration Geissele builds for 5.56mm NATO — a real option for shooters where overall length is the deciding factor. Geissele Automatics Geissele Super Duty 5.56mm NATO 10.3" Bbl Black Pistol w/BRACE 08-562B