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Rainier Arms UltraMatch 300AAC Blackout Barrel - SS - 8.5-Inch
We wanted to build an 300AAC Blackout barrel using the finest blank and mass produce them to bring them to market at the most competitive prices. Our UltraMatch barrels start out as Shilen blanks and contoured to our specifications. We wanted the best balance between accuracy while keeping the weight down as much as possible.
- Stainless Steel Match Grade Shilen Blank
- Length: 8.5", 10.5",14.5", 16"
- Twist: 1:8
- Gas Block Seat: .750 Diameter
- Thread Pitch: 5/8X24
- 300 AAC Blackout Chamber
- Pistol Gas System
- 6 Groove
- M4 Feed Ramps
- Proprietary Contour
- Bead Blasted Finish
- 8.5" 1 lbs 3 oz