KAK Flash Hider A2 .578"-28 Thread 45 ACP Steel Matte

KAK Industrys rock-solid dependable 6.5 Grendel (Type II bolt face) bolt carrier group, chrome-lined and phosphate finished. The workhorse of KAK Industrys BCG portfolio, this product is made to provide years of unquestionable reliability without the sticker shock. All KAK Industry BCGs feature a M16 (Full Auto) carrier profile, meticulously machined from 8620 steel, properly heat treated and ground to exact tolerances. Other components include: Single piece billet-machined 4140 extractor, phosphate coated for Increased reliability and corrosion resistance. 4340 phosphate coated cam pin. 8740 chrome plated firing pin, precision ground and heat treated. S7 Tool Steel ejector and extractor retaining pin. 4130 Steel gas key, phosphate-coated and chrome lined, precision staked. KAK Carrier Key Screws - T25 drive, Grade 8, Properly Heat Treated.