The Geissele GDP Mod1 8" .300 BLK DDC Pistol brings the proven Super Duty architecture into a compact, maneuverable package. Built around Geissele’s GFW lower and M4A1 upper receivers, this pistol combines an 8" cold hammer forged, chrome lined barrel with a HUXWRX QD 762 flash hider for durability and suppressor-ready performance. The MK16 rail, Airborne Charging Handle, Super Configurable Safety, Maritime Bolt Catch, and ergonomic A17 grip showcase Geissele’s focus on refined controls and reliable operation.

This .300 AAC Blackout pistol is well suited for home protection, range use, and training where a short, controllable platform is preferred. Its semi-automatic action, ambidextrous safety, and integrated buffer system with Super-42 spring contribute to smooth shooting and consistent function. With a flat-top upper ready for your choice of optics and accessories, the GDP Mod1 reflects Geissele’s reputation for precision engineering and dependable craftsmanship.

Key Features:

• Manufacturer: Geissele Automatics
• Model: GDP Mod1 Pistol .300 BLK 8″ DDC
• Caliber: .300 AAC Blackout
• Action: Semi-auto
• Barrel Length: 8″ cold hammer forged, chrome lined
• Safety: Ambidextrous
• Sights: Flat top, optics ready
• Handguard: MK16 with M-LOK slots
• Muzzle Device: HUXWRX QD 762 flash hider
• Trigger: SSA X Wide Body Lightning Bow
• Gas System: Anti-Strike Super Compact Gas Block
• Buffer System: Proprietary integral buffer with Super-42 spring
• Grip: A17 ergonomic grip