gas block front sight

• UTG Flip-up Tactical Front Sight Tower Complete

  

  Go to see$14.94

• Yankee Hill Machine Flip Front Standard Sight Tower with Lug, Black

  

  Go to see$84.93

• Ultimate Arms Gear Tactical Precision Machined Aluminum Black A2 Square Post Front Iron Sight Tower High Profile Sits On Gas Block with Elevation Adjustment Built in Integral Weaver - Picatinny Mount Deck "QD" Quick Detach Detachable Removable Simple Retention Thumbnut Locking AR15 AR-15 M16 M4 M-4 A1

  

  Go to see$18.95

• Magpul Front Back-Up Sight - Black

  

  Go to see$37.15

• NcStar AR15 Flip Up Front Sight (MARFLF)

  

  Go to see$13.89

• Exclusive By NcSTAR NcStar AR15 Flip Up Front Sight

  

  Go to see$11.85