- Quick detachable gas block flip-up front sight with adjustable A2 Square Post.
- Assembly to fit all Picatinny/Weaver-style rails.
- Equipped with locking retention thumb nut.
- Clever and Robust Flip-up Posi-lock Design to Guarantee Zero in the Most Extreme Combat Conditions
- Gas block height front sight has precision elevation adjustments to enhance shooting accuracy.
UTG Model 4 Flip-up Front Sight for Reg Height Gas Block
(You save $1.98 )
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