Gas Block .750 Bore - GB140A
.750 Bore Diameter
Clamp type, High Picatinny Rail Height 1.215", Aluminum
Designed for the "Flat Top" rail system to Colt standards
#8 Socket Screws
Aluminum Black Hard-Coat Finish
All of SADLAK’s Gas Blocks are made in the USA by craftsmen with years of experience delivering consistent quality. All the bores are precision honed and all critical measurements are 100% inspected to insure consistancy and quality.