JP Enterprises Adjustable Gas System - Black Aluminum

JP Adjustable Gas System • for AR type rifles. Picatinny rail design allows installation of quick-detach accessories such as front sights, lights and lasers. • Material: 6061 aluminum • Finish: Black hardcoat anodizing • Weight: 2.3oz • Length: 1.870" • Height: 1.615"(overall), .930"(over bore) • Width: .950" • Attachment: 8-32x1/2" socket head screws, 9/64 hex drive (includes 5/64x1/2 roll pin for gas tube installation) • Adjustment: 8-32x3/8" stainless set screw, 5/64 hex drive (hex key included) For installation instructions, go to http://www.jprifles.com/instructions/Rifle/JPGS-1,%20JPGS-2,%20JPGS-2S,%20JPGS-5.pdf