HK SEF modification Jig for select-fire (full auto) conversion of H&K 91, 93, 94
$165.00
This jig assembly is designed specifically for the semi-auto versions sold by other manufacturers and is to be typically used by Type 07 FFL’s/Class 2 SOT’s.




This unit accurately locates the Class II cutout for the SEF (only) select-fire trigger group to fit onto the semi-auto frame without any modification to the semi receiver. The entire completion process may be easily done with only a Dremel tool and its metal cutting disc in less than 10 minutes. A patent has been applied for (patent pending).
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