The Diamondback DB10 pistol in 8.6 Blackout (brand part no. DB1200W001) pairs a 12-inch Black Nitride barrel with an SBA5 stabilizing brace in place of a shoulder stock, built to run the heavy, subsonic-capable 8.6 Blackout cartridge in a large-frame AR platform. Diamondback threads the muzzle 5/8×24 and cuts an ultra-fast 1-in-3-inch twist to stabilize the cartridge’s long, heavy bullets, and the 11-inch M-LOK anti-rotation handguard carries a full Picatinny top rail with QD sling mounts. A Magpul MOE K2 grip provides the hold, and a 20-round Magpul PMAG ships with the pistol. Among AR pistols built for large-bore subsonic performance, this DB10 configuration favors shooters running suppressed 8.6 Blackout loads.

Key Specifications

• Chambered in 8.6 Blackout, this pistol runs a 20+1 capacity magazine.
• The barrel measures 12 inches and wears a Black Nitride finish.
• Rifling twist is an ultra-fast 1-in-3 inches, matched to 8.6 Blackout’s long, heavy bullets.
• The muzzle is threaded 5/8×24 for a muzzle device or suppressor.
• The 11-inch M-LOK handguard is an anti-rotation V3 S-rail design.
• A full Picatinny top rail with QD sling mounts runs over the handguard.
• An SBA5 stabilizing brace ships in place of a shoulder stock.
• The grip is a Magpul MOE K2.
• The pistol ships with a 20-round Magpul PMAG.
• The safety is a manual thumb safety.

Frequently Asked Questions

Why does this barrel use such a fast twist rate? The 1-in-3-inch twist stabilizes 8.6 Blackout’s unusually long, heavy bullets.

Does this pistol include a shoulder stock? No, it ships with an SBA5 stabilizing brace in place of a stock.

Is the barrel threaded? Yes, threaded 5/8×24 for a muzzle device or suppressor.

Buy the Diamondback DB10 Pistol, 8.6 Blackout

A fast-twist Black Nitride barrel and an SBA5 brace make this DB10 a purpose-built platform for heavy, subsonic-capable 8.6 Blackout loads. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.