JP Adjustable Gas System
A2/M4 sight
.750 bore
Black Stainless
Detent Adjustment
The JPGS-2FS is an A2/M4 front sight assembly that replaces existing pin-on assemblies and provides a gas adjustment. This unit can also be used as a front sight only to extend the sight radius of any existing carbine or rifle.
This is a standard-height A2 front sight gas block, not the taller "F-marked" height.
This model features our new click-adjustable detent system for precise adjustments and secure retention of your gas screw. Never lose you gas setting or screw.
Features:
- Click-adjustable detent system for repeatable setup and secure retention of gas setting
- Easy to access side gas adjustment
- Six clicks per rotation of gas screw for finer adjustments
- Internally retained detent components means no lost parts
- Full coverage around gas port providing improved seal and better heat dissipation
- True clamp-on design with two positive clamping screws
Specifications:
- Barrel Diameter: .750
- Finish: QPQ
- Weight: 4.5 oz.
- Material: 416 stainless
- Length: 1.870"
- Height: 3.400" (overall), 2.650" (over bore)
- Width: .75"
- Attachment: 10-32 x 1/2" socket head screws, 5/32 hex drive
(includes 5/64" x 5/16" roll pin for gas tube installation)
- Adjustment: 8-32 x 1/4" stainless set screw, 5/64 hex drive (hex key included)
Media: