This combination kit features the patent-pending ultralight, precision machined 2A Armament titanium AR 22LR bolt carrier and the lightweight AR 22LR fluted barrel. This combination allows any standard AR15 upper to be converted to a dedicated 22LR upper receiver, which makes it perfect for those that are wanting to build a lightweight dedicated AR 22LR upper. Combined these items weigh in at 20 oz. Requires 2A Armament AR 22LR magazine (or compatible magazines).
Features of 2A Armament AR 22LR Bolt Carrier and Barrel Kit:
- Grade 5 6AL-4V Titanium Bolt
- Stainless steel collar
- 16.5" 7075 aluminum barrel 1/2-28 thread
- Weight: 20 oz combined.