The JPGS-8D is JP’s minimized large bore design intended to mount underneath many hand guard models on the market. Its two-piece design allows for easier installations even on barrels with pin-and-weld muzzle treatments. This model features the new click-adjustable detent system for precise adjustments and secure retention of your gas screw. Never lose you gas setting or screw.
Package includes gas block, attachment hardware, adjustment set screw, detent mechanism hardware (pre-installed), roll pin for gas tube installation, wrenches and instruction sheet. Installation of this block requires tapping the adjustment screw hole. JP offers a suitable 6-32 bottoming tap if you do not have one ready to hand.
Sturdy, light-weight billet aluminum construction
Light-weight, minimized profile for mounting under most hand guard models
Click-adjustable detent system for repeatable setup and secure retention of gas setting
Five clicks per rotation of gas screw for finer adjustments
Split yoke design for easy installation even on pin-and-weld barrels
Easy-to-access side gas adjustment
Internally retained detent components means no lost parts
Barrel Diameter: .936
Material: 6061 T6 aluminum
Finish: Black hardcoat anodized
Weight: 2.7 oz.
Height: 1.38″ (overall), .77″ (over bore)
Minimum Recommended Tube ID: 1.75″
Attachment: 6-32 x 1/2″ socket head screws, T15 Torx drive (included)
Adjustment: 6-32 x 3/8″ stainless set screw, 1/16 hex drive (included)