|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
Height: 1.650"(overall), .930"(over bore)
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)