Is this possible? I have a .22 version with a dedicated PSA .22 bolt. Wondering if I can do the same thing with a 9mm bolt instead of a MAC upper.
Is this possible? I have a .22 version with a dedicated PSA .22 bolt. Wondering if I can do the same thing with a 9mm bolt instead of a MAC upper.
Not without a complete upper redesign. You can’t mount an AR barrel, and a standard AR9 bolt doesn’t work without a buffer tube (with buffer and recoil spring) which the DB9 design has no provision to accommodate.
Way easier to just print an AR9.
I second this but with the addition that you should use CMMG’s RDB action and some kind of conversion mags. Keep your ar-15 lower and upper receiver, the only change is a bcg and a barrel and the mags.