The Troy Industries AR-15 HK Style Front Folding Battle Sight is designed to work on same plane rail systems only. This sight is compatible with all M1919 picatinny rails.

Features and Specifications:
Troy Industries HK style front folding Battle sight
Utilizes a standard A2 front sight post with locking post and detent
Can be adjusted with a 5.56mm bullet tip or A2 front sight adjustment tool (not included)
Cross locking system
Compatible with all M1919 Picatinny rails
Easy deployment
Places aperture at same height as standard A2 rear
Type III hard coat with flat dark earth finish
1.5 oz
Made in the USA