AR-Stoner Barrel and Bolt AR-15 6.5 Grendel Medium Contour 1 in 8" Twist 24" Stainless Steel
- Gas Tube Length: Rifle Length
- Gas Block Diameter: 0.750"
- Muzzle Thread: 9/16"-24
- Muzzle Thread Engagement Length: 0.620" with a tolerance of .005"
- M4 Feed Ramps: Yes
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