Manufactured specifically for the ArmaLite 20" AR-10 Rifle and the ArmaLite 16" AR-10 Carbine gas block.
For Gas Block Mounting only.
- Uses standard A2 front sight post.
- Super smooth ball bearing pivot detent automatically locks in the raised position with locking detent
- Constructed 0f 6061 aluminum, hard coat anodized to provide a lifetime of service.
- Gas block mount, folds to front.