JP A2/M4 Front Sight Assembly Adjustable Gas Block

JP Adjustable Gas System

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: 3.9oz
Material: 416 stainless
Weight: 3.9oz
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)