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.**