Hand Picked & Precisely Matched For Exact Fit
Forged, upper and lower receivers are CNC machined to tighter than mil-spec tolerances, with critical contact points held to +/- .0005". Hand selected and matched to ensure a tight, movement-free, lockup between the upper and lower halves. Accepts all aftermarket and mil-spec internal parts. NM A4 is flattop style with multiple cross-slot, Weaver-style base for mounting optical and match sights. FFL required for purchase.
AR-15, Issue:09, Page:004
Big Book Catalog, Issue:66, Page:004
New Product Supplement, Issue:525, Page:000
SPECS: 7075-T6 aluminium, black, hardcoat anodized, matte finish. Small pin, hammer/trigger and pivot/takedown holes. .154" (3.9mm) diameter hammer/trigger pin holes. .250" (6.3mm) diameter pivot/takedown pin holes.