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.

Places the gas port hole at the correct .295'' position from the shoulder.

SPECIFICATION:

• 4140 Gun Barrel Steel.
• Black Phosphate Finish, Type M.
• Laser Engraved.
• Ultra Low Profile.
• Dia: 0.750'' ID.
• Length: 0.875''.
• Weight: 1.2oz.
• Made in the USA.