

Product Description
The KAK Industry M16-profile bolt carrier group (BCG) is built for AR-15 pattern rifles chambered in .224 Valkyrie and 6.8 SPC. It features an M16 (full-auto style) carrier machined from 8620 steel, a 9310 steel bolt, and a phosphate (black) exterior finish with chrome lining for durability and consistent function. Key components like the one-piece billet extractor and properly staked gas key are designed to support long-term reliability under hard use.
Product Highlights
- M16 (full-auto profile) AR-15 bolt carrier group for .224 Valkyrie and 6.8 SPC builds
- 8620 steel carrier with manganese phosphate (black) finish for corrosion and wear resistance
- 9310 steel bolt and one-piece billet extractor with phosphate coating
- Chrome-lined carrier and phosphate-coated, precision-staked gas key for dependable cycling
- Includes quality internal components such as chrome-plated firing pin and tool-steel ejector
Specs
- Brand: KAK Industry
- Manufacturer Part Number: 425-0512-019
- UPC: 811163035040
- Platform Compatibility: AR-15 (universal), M16 (universal)
- Carrier Type: M16
- Cartridges: .224 Valkyrie, 6.8 SPC (6.8mm Special)
- Carrier Material: 8620 steel
- Bolt Material: 9310 steel
- Finish: Manganese phosphate (black)
- Lining: Chrome lined
- Item Length: 7.125 in
- Item Width: 1.000 in
- Item Height: 1.250 in
- Item Weight: 0.730 lb
- Quantity: 1
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