Yankee Hill Machine Flip Front Standard Sight Tower with Lug, Blackby Yankee Hill Machine Co., Inc.
Troy Industries Front Folding M4 Style Gas Block Mounted Battle Sight (Black)May 20, 2011by Troy Industries
SNIPER Tactical Smart Polymer Picatinny/weaver Front And Rear Combo Set Flip Up Backup AR15 AR-15 M16 M4 M-4 Flattop...by SNIPER
Green Blob Outdoors (Black) Tactical Iron Flip up Front & Rear Sights, Rail Mount Gas Block 223, 5.56.by Green Blob Otdoors
Troy Industries Front Tritium M4 Style Folding Gas Block Mounted Battle Sight (Black)May 20, 2011by Troy Industries
Troy Industries Front Tritium M4 Folding Gas Block Mounted Battle Sight (Flat Dark Earth)May 20, 2011by Troy Industries
Model 4/15 Match-grade Detachable Rear Front Sight Set for Designed to Use with Handguard Rails or Low Profile...by SNIPER®
Ade Advanced Optics AR 15 Front/Rear 45-Degree Rapid Transition BUIS Backup Iron Sightby Ade Advanced Optics®