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.
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| Length: | 0.95" |
| Model: | Low-Profile |
| Weight: | 2.01 oz |
| Material: | Steel |
| Diameter: | .750" |
| Finish: | Black Phosphate |