AR15/M4 Combo Kit Includes: 
- Receiver End Plate, Billet Steel, Black Oxide
 
- Quick Detach, Push Button Swivel - Three to Choose from 1", 1.25" or D-loop
-  QD socket features a 15° rotation
 limiter. 
- Socket is fully reversible.
- Swivels are all stainless steel construction with black oxide finish
- Low-profile, flush head design 
that prevents unintentional release. 
- Exceeds DoD requirements and Berry 
Compliant.
Both Made in USA.