AR-556 Low Profile Flip-Up Rear Sight

AR-556 Low Profile Flip-Up Rear Sight
Item Number: 18141
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Detailed Description

New generation super slim flip-up rear sight for the AR-556 and other firearms equipped with Picatinny rails. Spring loaded posi-Lock Design with side plunger release for positive flipping/folding makes it fast and easy to compress the plunger to unlock and fold down the sight when not in use. Robust posi-lock plunger coupled with spring-activated ball bearing guarantees zero retention. Low profile 3mm locking bolt and mounting deck attaches securely to any Picatinny rail. Precision-machined from aircraft grade aluminum with black anodized finish. Designed to match the AR-556 Low Profile Flip-Up Front Sight (18140) on same level plane applications, either directly on the handguard or on a high profile Picatinny rail gas block. Made by UTG Leapers.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to -