GB750-S Ultra Low Profile Gas Block, Black 

Manufactured to the highest quality standards the GB750-S is designed to fit .750 diameter gas pad barrels and uses a 2 set screw design to securely retain the block in position.
Comes complete with, #10-32 X .125'' set screws and gas tube roll pin.

Description:

• Black 
• Phosphate Finish
• Fits: .750 diameter gas pad barrels
• 4140 Gun Barrel Steel
• Laser Engraved
• Ultra Low Profile
• Dia: 0.750'' ID
• Length: 0.875''
• Weight: 1.2oz
• Made in the USA