Davidson Defense Droid w/SBA5 Brace 7.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat Keymod Handguard Pistol Full Build Kit

Droid SBA5 Brace 7.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat Keymod Pistol Full Build Kit

The Droid is a .300 AAC Blackout AR-15 Full Build Kit built around a compact 7.5-inch pistol-length gas platform. The kit centers on a 7.5-inch HBAR profile phosphate barrel with a 1:8 twist rate and 5/8x24 thread pitch, paired with a muzzle-mounted fake suppressor and a black 5/8-inch crush washer. A micro low-profile steel gas block at 0.750 diameter and a pistol-length gas tube are included on the front end. The 7075-T6 aluminum hardcoat anodized upper receiver features M4 feed ramps, a forward assist, and an ejection port door assembly, paired with a 12-inch Trinity Force KMX KeyMod freefloat handguard. A USA-made complete AR-15 bolt carrier group compatible with .223 Remington, 5.56 NATO, .300 Blackout, and .350 Legend, and a Mil-Spec AR-15 M4 charging handle complete the upper side. The lower hardware includes a complete Mil-Spec AR-15 lower parts kit, a Mil-Spec heavy-duty 6-position aluminum carbine buffer tube, a standard 3 oz AR-15 carbine buffer, a USA-made standard AR-15 carbine recoil spring, a Mil-Spec AR-15 receiver end plate, and a Mil-Spec AR-15 castle nut. The SB Tactical SBA5 adjustable pistol stabilizing brace in black is included. Lower receiver not included.

Key Features

• 7.5-inch HBAR profile phosphate barrel, 1:8 twist, 5/8x24 thread pitch, .300 AAC Blackout
• Pistol-length gas system
• Pistol-length gas tube
• Micro low-profile steel gas block, 0.750
• Muzzle-mounted fake suppressor, 5/8x24, black 5/8-inch crush washer included
• 7075-T6 aluminum upper receiver, hardcoat anodized, M4 feed ramps, forward assist, ejection port door assembly
• 12-inch Trinity Force KMX KeyMod freefloat handguard
• USA-made complete AR-15 bolt carrier group, .223 Remington and 5.56 NATO and .300 Blackout and .350 Legend compatible
• Mil-Spec AR-15 M4 charging handle
• Complete Mil-Spec AR-15 lower parts kit
• Mil-Spec heavy-duty 6-position aluminum carbine buffer tube
• Standard AR-15 carbine buffer, 3 oz
• Standard AR-15 carbine recoil spring, made in USA
• Mil-Spec AR-15 receiver end plate
• Mil-Spec AR-15 castle nut
• SB Tactical SBA5 adjustable pistol stabilizing brace, black

Perfect For

• Builders sourcing a complete .300 AAC Blackout AR-15 pistol full build kit with a 7075-T6 hardcoat anodized upper receiver with forward assist, 7.5-inch HBAR phosphate barrel, USA-made BCG, 12-inch Trinity Force KMX KeyMod freefloat handguard, and SBA5 adjustable brace on a Mil-Spec carbine buffer tube already included, pairing it with their own lower receiver
• Shooters building a compact 7.5-inch pistol-gas .300 BLK platform who want the USA-made BCG, charging handle, complete lower parts kit, and SBA5 adjustable brace covered in one kit with a muzzle-mounted fake suppressor at 5/8x24 and a Trinity Force KMX KeyMod freefloat handguard
• AR-15 pistol builders who want a .300 AAC Blackout full build kit with a USA-made BCG compatible with multiple calibers and an SBA5 adjustable brace without sourcing components separately

Barrel and Muzzle Device

The 7.5-inch HBAR profile barrel is chambered in .300 AAC Blackout with a phosphate finish, 1:8 twist rate, and 5/8x24 thread pitch, which matches the included muzzle-mounted fake suppressor. A black 5/8-inch crush washer, a micro low-profile steel gas block at 0.750 diameter, and a pistol-length gas tube cover the front end gas configuration on this pistol-length platform.

Upper Receiver and Handguard

The 7075-T6 aluminum upper receiver carries a hardcoat anodized finish with M4 feed ramps, a forward assist, and an ejection port door assembly. The 12-inch Trinity Force KMX KeyMod freefloat handguard features KeyMod attachment points along the body for accessory mounting. These two components define the exterior structure of the upper assembly on this AR-15 pistol platform.

Bolt Carrier Group and Charging Handle

The USA-made complete AR-15 bolt carrier group is compatible with .223 Remington, 5.56 NATO, .300 Blackout, and .350 Legend. A Mil-Spec AR-15 M4 charging handle is included to complete the upper component set.

Lower Parts Kit and Buffer System

The complete Mil-Spec AR-15 lower parts kit covers the internal lower receiver components. The buffer system includes a Mil-Spec heavy-duty 6-position aluminum carbine buffer tube, a standard 3 oz AR-15 carbine buffer, a USA-made standard AR-15 carbine recoil spring, a Mil-Spec AR-15 receiver end plate, and a Mil-Spec AR-15 castle nut. The SB Tactical SBA5 adjustable pistol stabilizing brace in black pairs with the included Mil-Spec carbine buffer tube and covers the rear brace interface for this pistol lower build kit.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included. Verify local and state laws regarding pistol brace use and classification.