Factory New

Tube Features:

• Material: 304 Hardened Stainless Steel
• 6-3/4" Pistol Length
• Compatibility: Mil-Spec Components

Block Features:

• Material: 4140 Hardened Carbon Steel
• Finish: Black 
• Compatibility: Mil-Spec
• Fits barrels with .750 Outer Diameter
• Low profile for easy fitment - THIS IS THE LOWEST PROFILE GAS BLOCK ON THE MARKET - SEE MEASUREMENTS IN THE PHOTOS.
• Set screws are stainless steel

Not sure what size you need? Measure the distance from the barrel shoulder to the gas port on your barrel and compare to the chart below.

Distance to port:
Pistol = 4 inches
Carbine = 7 inches
Mid = 9 inches
Rifle = 12 inches

These work great with all gas blocks.

These are top quality American made parts.

Top quality American made parts.