JP Enterprises .936 Adjustable Bull Barrel Gas Block

The JP Adjustable gas block will allow the user to adjust the gas system for fine tuning for ultimate accuracy. Also features a picatiny rail for your accessories. Picatinny rail design allows installation of quick-detach accessories such as front sights, lights and lasers. Material: 6061 aluminum Finish: Black hardcoat anodizing Weight: 2.5oz Length: 1.875" Height: 1.650"(overall), .930"(over bore) Width: 1.225" Attachment: 8-32x1/2" socket head screws, 9/64 hex drive (includes 5/64x1/2 roll pin for gas tube installation) Adjustment: 6-32x3/8" stainless set screw, 1/16 hex drive (hex key included)