Battle Arms Development AR15/M16/M4 Enhanced Bolt Carrier Group | Full Auto | Nitride
The Battle Arms Development Enhanced Bolt Carrier Group is a premium full-auto profile AR-15 bolt carrier group engineered for superior reliability, durability, and smooth cycling performance. Featuring precision-machined billet components, advanced black nitride surface treatment, and upgraded internal materials, this enhanced BCG is built for shooters demanding dependable function in tactical carbines, suppressed rifles, competition setups, and hard-use AR platforms.
Shooters frequently search for nitride AR-15 bolt carrier groups because black nitride finishes provide exceptional corrosion resistance, surface hardness, lubricity, and simplified maintenance compared to traditional phosphate coatings. The Battle Arms Development Enhanced Bolt Carrier Group utilizes a black nitride finish with an ultra-hard surface layer that helps reduce friction, improve wear resistance, and minimize lubrication requirements during high round count shooting sessions.
The full-auto profile carrier is precision machined from billet 8620 steel and case hardened for excellent durability under demanding operating conditions. Full-auto profile carriers are commonly preferred by AR builders because the additional carrier mass can contribute to improved cycling consistency and reliability across a broad range of gas system configurations and ammunition types.
The included bolt is manufactured from 9310 steel and engineered to mil-spec dimensions for dependable compatibility and long-term service life. The bolt is shot peened for enhanced structural durability, CNC ground after heat treatment for dimensional consistency, and both MPI and HPT tested to verify integrity under high-pressure firing conditions. Shooters frequently search for MPI/HPT AR-15 bolts because these testing procedures help ensure long-term reliability and safe operation under demanding use.
The gas key is precision machined from billet 4140 steel and properly staked using Grade 8 fasteners to maintain reliable gas system sealing during extended firing schedules. Additional upgraded components include a center-less ground 17-4 H-900 steel firing pin and a hardened 4140 steel cam pin for improved durability and wear resistance.
Extraction reliability is enhanced through the use of a billet 4140 extractor finished in manganese phosphate for improved grip and consistent extraction performance. Builders frequently search for enhanced AR-15 bolt carrier groups because extraction reliability, proper staking, and premium materials are critical to maintaining dependable rifle performance under hard-use conditions and suppressed operation.
Whether building a premium AR-15, defensive carbine, suppressor-ready rifle, or competition setup, the Battle Arms Development Enhanced Full Auto Nitride Bolt Carrier Group delivers premium machining quality, enhanced durability, and exceptionally smooth cycling performance trusted by serious rifle builders and professional shooters alike.
Key Features:
- Enhanced full-auto profile AR-15 bolt carrier group
- Compatible with AR15, M16, and M4 platforms
- Black nitride finish for superior wear and corrosion resistance
- 8620 billet steel case hardened carrier
- 9310 steel bolt assembly
- MPI and HPT tested bolt
- Shot peened bolt for improved durability
- Precision CNC ground bolt after heat treatment
- Properly staked billet 4140 gas key with Grade 8 fasteners
- 17-4 H-900 steel center-less ground firing pin
- 4140 hardened steel cam pin
- Billet 4140 extractor with manganese phosphate finish
- Smooth cycling performance with reduced lubrication requirements
- Excellent for suppressed, tactical, and competition rifle builds
- Laser engraved BAD INC logo
- Made in the USA
Specifications:
- Carrier Material: 8620 Steel
- Bolt Material: 9310 Steel
- Carrier Finish: Black Nitride
- Bolt Finish: Black Nitride
- Gas Key Material: 4140 Steel
- Firing Pin Material: 17-4 H-900 Steel
- Cam Pin Material: 4140 Hardened Steel
- Extractor Material: 4140 Billet Steel
Product Information
| Manufacturer | Battlearms Development |
|---|---|
| Platform | AR15 |
| Caliber | 223 Wylde, 300 Blackout, 5.56 NATO |
| Carrier Material | 8620 Steel |
| Bolt Material | 9310 Steel |
| Finish | QPQ Nitride |
| Color | Black |
| Compatibility | Standard AR15 components |
| Made in USA | Yes |
