in box Sons of Liberty Gun Works M4 M89 13.7” Pinned AR-15 in 5.56mm,
part # M4-89-13.7. At Sons of Liberty Gun Works they believe in Quality
Mil-Spec or better parts. They believe there is no substitute for
quality and that your gun should be built right the first time, ready
for hard use right out of the box. They believe a quality Bolt Carrier
Group and a quality, accurate and long lasting barrel are the heart of a
Combat Grade weapon. They believe in properly tuned weapons using the
correct gas system length and quality buffer system components. They
believe in their products and back them up with a Lifetime Warranty.
SOLGW weapons are meant to be used hard and go in harm's way, they won't
let you down.