K-SPEC Enhanced AR15 BCG- 224 Valkyrie / 6.8 SPC, Side Vent, Dual Ejector, Sand Cuts, Nitride

224 Valkyrie / 6.8 SPC / 338 Spectre, Side Vent Version. The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will accommodate whatever configuration your mission requires. For those running suppressed, the K-SPEC requires no additional tuning or tweaking of the gas or recoil systems to run reliably. Like all KAK BCGs, the K-SPEC is machined to the M16 full auto profile. Slotted Angled Carrier Rails for enhanced functionality in adverse and rugged conditions such as sand, mud, dirt, and grime. These rail cuts are designed for debris disbursement, resulting in ultra-high functionality in the toughest conditions, including suppressor fouling and foreign contaminates. Dual ejectors system increases ejection reliability. Downward Gas Ports to reduce gas blowback to shooter. Full Auto Profile. Permatex added between Gas Key and Carrier Mating Surface. Carrier- 8620 steel, outside rails, bolt runs, and gas bores ground to tolerances, nitride finish. Bolt- 9310 steel with nitride finish. Firing Pin- 8740 steel, chrome plated. Ejector- S7 tool steel, heat treated. Gas key- 4130 steel, nitride finish.