Wilson Combat 5.56 NATO Bolt Carrier Assembly
Precision-machined bolt carrier group for AR-15 rifles. Features Carpenter 158 bolt, tool steel extractor, chrome-lined 8620 steel carrier, and magnesium phosphate finish. Mil-Spec construction with HPT testing.
Wilson Combat 5.56 NATO Bolt Carrier Assembly
This is a professional-grade bolt carrier group built to the same exacting standards Wilson Combat uses in their custom rifles. It represents the kind of precision engineering that separates reliable firearms from exceptional ones.
Construction and Materials
The Bolt
- Precision machined from Carpenter 158 steel
- Shot peened for increased strength and durability
- Tool steel extractor and ejector
- 4140 gun-quality steel extractor, annealed and cold drawn per Mil-Spec
- Randomly batch High Pressure Tested (HPT)
The Carrier
- 8620 steel with internal and external chrome lining
- Magnesium phosphate finish for corrosion resistance
- Properly machined Mil-Spec gas key, chrome lined and phosphated
- Gas key heat treated per GI specifications
- Secured with Grade 8 fasteners, properly staked during final inspection
Why This Matters
The bolt carrier group is the heart of your AR-15's reliability. This assembly ensures consistent gas system functioning and long-term dependability. Every component is precisely finished and hardened to exacting standards.
Experienced AR shooters understand that a quality spare bolt carrier assembly is essential maintenance. This is the part you want when reliability matters most.
Features
- parkerized finish and internally chrome lined
- bolt material is carpenter 158
- mil-spec parts ensure a long service life
- machined ejector and extractor per mil specs
- drop in fit for any quality 5.56 case head based ar rifle
