This Aegis w/Gauntlet Arms Brace is a complete 8.5-inch AR-15 .300 BLK pistol full build kit from Davidson Defense, tailored for versatility and performance. The kit includes an 8.5-inch heavy barrel made from 4150 chrome moly vanadium, finished with a durable parkerized coating and a twist rate of 1:9. It features a pistol gas system and is suppressor-ready, with a muzzle thread pitch of 5/8x24. The upper receiver is constructed from 7075-T6 aluminum, anodized for durability.
The free-floating handguard, made of aircraft-grade aluminum, enhances accuracy, while the mil-spec charging handle and complete bolt carrier group ensure reliable operation. A polymer stabilizing brace from Gauntlet Arms provides additional support. The heavy-duty pistol buffer tube kit adds stability with a 3 oz buffer weight. This build kit offers the flexibility and performance needed for enthusiastic gunsmiths.
Caliber: .300 Blackout
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 5/8x24
Color: Black
Barrel Gas System: Pistol
Barrel Length: 8.5-inch
Barrel Finish: Parkerized
Barrel Profile: Heavy
Barrel Twist Rate: 1:9
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Aircraft-Grade Aluminum
Handguard Color: Black
Handguard Style: Free Float
Charging Handle: Mil-Spec AR-15
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier: Complete Bolt Carrier Group
Barrel Name: 8.5" .300 Blackout AR-15 Heavy Barrel, Pistol Gas
Pistol Brace Information: Polymer Stabilizing Brace - Black
Bolt Carrier Name: 5.56/.223/.300/.350 Complete Bolt Carrier Group
Gas Block Size: 0.75
Gas Block Name: Micro Low-Profile Gas Block for .750 O.D Barrel Steel
Muzzle Thread Pitch: 5/8x24
Buffer Tube Kit: Heavy Duty Pistol Buffer Tube for AR-15 and AR Style Pistols
Buffer Weight: 3 oz
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