Section 5 Restricted. 
Only available to customers with permission from the Secretary of State to pocess prohibited firearms & components thereof. 
Section 5 Customers please provide your authority at time of ordering. Other orders will be cancelled without notice.
LE/MIL Customers please contact Viking Arms direct for assistance on +44(0)1423 780810.
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:
Precision Swiss Machined from 4140 Steel.
QPQ Nitride Finish for enhanced corrosion resistance.
Laser Engraved.
Ultra Low Profile.
Dia: 0.750'' ID.
Length: 0.875''.
Weight: 1.2oz.

Made in the USA.