Extra Standard Features
Restrictions: Must be the first owner of the lower and able to validate
you are the legal owner along with notarized copy of police report.
Lower must be returned to be inspected, authorized / validated and
Take down detent spring may require a small easy modification
(depending on manufacture of spring) - Wear safety Glasses and use wire
cutters to cut off two coils of the spring - check fit - if screws does
not fit flush, cut off half a coil, no more.. then check fit and see
if screw will screw in and sit flush with rear end if not only take of
one quarter (1/4) more. At this point it should fit.