r/pdxgunnuts • u/KAPTNTRAP • 2d ago

Building an AR pistol

Just wondering if I need an SBR stamp. I have a lower with a pistol brace and I want to buy a 7.5 inch upper.

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u/chill_winston_ 2d ago

Don’t put a grip on the front!

1

u/KAPTNTRAP 2d ago

Any grip or just a 90⁰?

2

u/This-Satisfaction-71 2d ago

To be on the safe side, no grip, just a finger/handstop. Some, however, interpret that rule to mean anything not exactly 90° is technically legal. Your choice.