Davidson Defense Aegis 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Plan B A7 Flash Hider

The Aegis 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat M-LOK Handguard Pistol Upper Build Kit from Davidson Defense is crafted for precision and durability, ideal for gunsmiths who value performance and reliability. This upper features a 12.5-inch barrel made from 4150 CrMoV steel, treated with a nitride finish for enhanced longevity. With a 1:8 twist rate, it accommodates a variety of bullet weights while the carbine-length gas system ensures smooth cycling.

The 7075 T6 aluminum upper receiver is anodized for corrosion resistance, paired with a lightweight, black M-LOK aluminum handguard for effective customization options. The kit includes a Recoil Technologies Micro Low-Profile Gas Block, tailored for a 0.750 O.D. barrel, and a KAK Industry Plan B A7 Flash Hider made of 17-4 stainless steel, also finished in nitride. This setup is engineered for accuracy and user freedom on the range.