JP Adjustable Gas System for AR type rifles.
* Low profile, rail-free design allows installation under handguards.
* Material: 416 stainless
* Finish: Black oxide
* Weight: 4.8oz
*Length: 1.870"
* Height: 1.465"(overall), .775"(over bore)
* Width: 1.000"
*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)