B&T Industries Atlas BT17 4″ 1913 Picatinny Rail
 
One-time run. Once these are gone, they will not be restocked. 
 
Accommodates hole patterns with a center to center spacing of 2.2 – 3.5″
FLAT back to accommodate flat surfaces.
QD Sling mount. 
 
A standard sling stud and sling stud spacer or two button head machine screws can be used as a fastener. NO HARDWARE INCLUDED.
 
6061-T6 aluminum
Black Mil-Spec Type III Class 2 finish