Bowden Tactical Gas Block-Standard 4140 steel
- Super low-profile .750 diameter gas block, set screw style, black nitride coated.
- Our AR-chitect AR rifle FOUNDATION SERIES gas blocks are designed to be slim and
light weight. - American made from American sourced 4140 pre-heat treated steel.
- .750 diameter set screw style. If your barrel is not pre-dimpled, we recommend the use of a gas block alignment tool.
- We recommend the use of lok-tite thread locker on both set screws during installation.
- 4140 gas blocks are black nitride coated not phosphate coated for the best look and finish.