Quote History Quoted:
The first ones I bought were in 2001 and they were like Pursuit said, considered 40%, 50% and 60% receivers, there was a hell of a lot more to do on them than now a days. You didn't just pop one out in an hour!
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Yep! The units we purchased ONLY had the mag wells done. (Burned in by an EDM)
Deck the top of the receiver
Bore the hole for the receiver extension
Thread the hole for the receiver extension
Drill the buffer retaining hole
Drill the front pivot pin hole
Drill the hole for the front pivot pin detent
Mill the area out between the “ears” on the front pivot pin
Drill the hole for the rear takedown pin
Mill the slot for the bolt catch
Drill the hole for the bolt catch roll pin
Drill the hole for the safety detent
Drill the hole for the rear takedown detent
Mill (deck) the rear of the receiver
Drill the hole in the rear of the receiver for the stock positioning lug
Drill the hole for the magazine catch
Mill the magazine button hole
Mill the slot for the magazine catch
Mill the top of the receiver “ring” above the receiver extension threads
Mill the lug the pistol grip fits onto
Drill & tap the pistol grip screw
Mill the trigger guard ears out
Drill the holes for the trigger guard
Mill the bevel on the bottom of the mag well
THEN you are where we are with “80%” lowers today!!!
Mill the FCG pocket
Drill the hammer and trigger pin holes
Drill the safety hole