This is a Odin Works Barrel chambered in 223 Wylde, model B-223-16-ML-TG.
223 Wylde is a hybrid of the 223 REM and 5.56. 223 Wylde has a chamber throat that is tighter than the 5.56 achieving better accuracy but still reliably functional with 5.56 ammunition. All DI barrels include stainless steel tunable gas block.
Features:
Profile: Medium
Length: 16.1";Gas placement: Mid length;Rifling: Button 8 twist;Weight: 1 lbs 15 oz;Made from 416R Stainless Steel;Hand-Lapped;M4 Feed ramps;1/2-28 Threading;1 MOA guaranteed