JP Adjustable Gas System
A2/M4 sight
.750 bore
Black Stainless
Locking 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.

  • 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)

JP Enterprises, Adjustable Gas Block With Adjustable Locking Screw, A2 Front Sight With Gas Valve, Black Stainless, Fits AR-15 Rifle

  • Brand: JP Enterprises
  • Product Code: JP-JPGS-2FS
  • Availability: In Stock
  • $173.99 USD