New Frontier Armory’s M-16 Drilling Jig is made for properly aligning
and drilling the third hole for a full auto sear in an AR-15 style
lower receiver. The drill hole is reinforced with a steel drill bushing
to prevent wear and be able to use the jig over and over without any
issues with tolerance. The jig and pins are made to exact tolerances.
Be sure of proper fitment in your lower by reaming the rear take down
pin hole to .250 and the safety selector hole to .375 which will ensure
an accurate drilling of the 3rd hole.
We recommend fixturing and leveling the work piece horizontally in a
vertical mill or drill press to ensure a straight hole through the
NOTE: ALL BATFE/NFA RULES APPLY — MID SOUTH ARMS LLC is not responsible for any city, county, state, or federal
laws that you do not comply with when using this product. This Jig is
intended for use by 07 FFL holders for legal manufacture of full auto
machine guns. Possessing this jig in conjunction with other parts may
be illegal in some states without holding the proper licenses.