JP Adjustable Gas Front Sight Base

Stock Status:

Out of stock

JP Adjustable Gas System for AR type rifles.

  • A2/M4 front sight assembly replaces existing pin-on assemblies and provides a gas adjustment. May also be used as front sight only to extend the sight radius of any existing carbine or rifle.
  • Material: 416 stainless
  • Finish: Black oxide
  • Weight: 3.9oz
  • Length: 1.870"
  • Height: 3.400"(overall), 2.600"(over bore)
  • Width: .860"
  • Attachment: 10-32x1/2" socket head screws, 5/32 hex drive
    (includes 5/64x5/16 roll pin for gas tube installation)
  • Adjustment: 8-32x1/4" stainless set screw, 5/64 hex drive (hex key included)
  • ** Note: this Front Sight Base is for a .750 barrel O.D.**
***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit***

2 Reviews

  • 5

    Mounts extremely securely (I used some red Loctite as well). Gas can be turned all the way off. Fit & finish are flawless as you'd expect for the price. Totally worth it.

  • 4
    nice piece, but needs changes

    pro: 1. nice quality, finish

    con: 1. edges too sharp - cut para cord 2. no provision for sling swivel 3. fits so close to barrel Colt side sling adapter wont fit.