JE Machine Tech AR platform barrels are constructed from the finest domestically sourced steels, are drilled, reamed, and button rifled, and then profiled and chambered to exacting dimensions in compliance with SAAMI Specifications. Our high-precision manufacturing processes ensure both accurate and repeatable performance for thousands of rounds.
- Platform: AR-15
- Chambering: 5.56x45 NATO/.223
- Twist rate: 1:7
- Overall length: 7-1/2”
- Gas system length: Pistol
- Profile type: Standard
- Material: 4150/4151 CrMoV steel
- .750 gas block journal
- Finishing: Black Nitride