AR-15 Accu-Wedge
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This 3d printed part is used to help reduce loose fit between the upper and lower assemblies on an AR-15.
Instantly Tightens Loose Upper & Lower Receivers
Helps promote better accuracy by making the upper and lower receiver fit tighter. Open upper receiver; drop this long-wearing, rubber wedge into the rear of the lower, behind the push pin. Absolutely no modifications required.
Takes less then 5 mins to print on my XYZ printer and uses less then a meter of filament. A must have to keep your receiver nice and tight regardless of if you believe it to make your gun more accurate. Originally printed on a XYZprinting Da Vinci 1.0 3D Printer, Grey Find this on thingiverse here http://www.thingiverse.com/thing:635723


Originally posted on GrabCad