ODIN Works 16.1in 300 Blackout Barrel medium profile carbine gas placement w/tunable GB Stainless Steel 16.1in. 300 Blackout Button Rifled Barrels are made from durable stainless steel that shines like silver. Along with the impeccable finish these AR15 Barrels from ODIN Works deliver spot-on accuracy and precision at an affordable price. These solid ODIN Works Blackout Barrels have a tunable low profile gas block that allows use of a small rail and a suppressor. Get flawless fit finish and function when you upgrade to one of these ODIN Works .300 Blackout Barrels. Specifications for ODIN Works Blackout Barrel Medium Profile w/Tunable Gas Block: Manufacturer: ODIN Works Color: Stainless Steel Caliber: .300 AAC Blackout Barrel Profile: Medium Condition: New Features of ODIN Works 300 Blackout Medium Profile Stainless Steel Barrel w/Tunable Gas Block: Medium Profile. .300 Blackout for more power. Rifling: Button 8 twist. Made from 416R Stainless Steel. Hand-Lapped. M4 Feed ramps. 5/8-24 Threading. Package Contents: ODIN Works Blackout Stainless Steel Barrel Medium Profile w/Tunable Gas Block ODIN Works B-300-16-C-TG: 16.1in 300 Blackout Barrel medium profile carbine gas placement w/tunable GB Stainless Steel 16.1in