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.
- Full coverage around gas port providing improved seal and better heat dissipation
- True clamp-on design with two positive clamping screws
- Easy to access side gas adjustment
Specifications:
- Barrel Diameter: .750
- Finish: QPQ
- Weight: 3.9 oz.
- Material: 416 stainless
- Weight: 3.9 oz.
- Length: 1.870″
- Height: 3.400″ (overall), 2.650″ (over bore)
- Width: .870″
- 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)
Installation:
The installation of this gas block requires use of a 6-32 H1 or H2 bottoming tap.