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: 2.5oz
* 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)