Made in the USA, the YHM gas block replaces your existing front sight to provide a simple, low profile design that can be used to mount a rifle length forearm to a carbine length barrel. It is mounted by the use of two clamping screws. The two screws take a 9/64" Allen Wrench.
- Type: Gas Block
- Model: Low Profile Gas Block
- Dimensions: .95" L
- Size: .75"
- Material: Steel
- Finish: Black Phosphate
