For a Durable and Compact Flip-Up Front Sight, the NcSTAR AR-15 Back-Up Folding Front Sight - Receiver Rail Height MARFLF-2 is the AR-15 Back-Up Front Sight that should equip your AR-15 rifle. This Folding Gun Sight from NCStar is for Handguard Rails, Monolithic Receivers, and Gas Blocks that are at the SAME Level as the AR-15 Receiver Rails (Flat Top). The NCSTAR AR-15 RECEIVER RAIL HEIGHT BACK-UP FOLDING FRONT SIGHT is manufactured from steel and aluminum and will not melt on your gas block under sustained shooting, unlike other manufacturers plastic back-up front sights. This NcSTAR Gun Sight mounts onto weaver style and Picatinny rails with a single Allen head bolt for a secure attachment to your receiver. The Ncstar Folding Backup Front Sight is made with a strong and positive Detent System, and will stay in any Position under heavy Activity and Recoil.

Specifications for NcStar Receiver Rail Height Front Folding Backup Sight - AR-15:

Features of Ncstar Flip-Up Front Folding AR15 Gun Sight:

• For Handguard Rails, Monolithic Receivers, and Gas Blocks that are at the SAME Level as the AR-15 Receiver Rails (Flat Top).
• Precision made Flip-Up A2 Front Sight Post folds down out of view of your optics when not in use.
• The A2 front sight post is fully adjustable for elevation.
• Strong and positive Detent System, the Front Sight Post will stay in any Position under heavy Activity and Recoil.
• Manufactured from steel and aluminum the MARFLF_2 will not melt on your gas block under sustained shooting, unlike other manufacturers plastic back-up front sights.
• The Compact Flip-Up Front Sight mounts onto weaver style and Picatinny rails with a single Allen head bolt for a secure attachment to your receiver. The Allen Head Bolt is more snag resistant, more compact, and lighter than a Thumb Nut.

Package Contents:

• NcSTAR AR-15 Back-Up Folding Front Sight - Receiver Rail Height MARFLF-2