SBR Posted January 14, 2023 Report Share Posted January 14, 2023 Have an RPB MAC that won't feed Federal 147. I assume it's because of the squarish shape of the bullet not being able to slide up the feed ramp. Shoots all 124 gr supersonic fine. At any rate, what have you guys used for your factory subsonic rounds? Quote Link to comment Share on other sites More sharing options...
Thumpy Posted January 14, 2023 Report Share Posted January 14, 2023 Buying another Mac in 45 should solve your issue! Lol Jk have you tried sub sonic 124 grain? I’ve used American Eagle Suppressor 9mm Ammo that is 124gr I think that’s pretty much the name on the box an it ran in my m10 seems to stay subsonic Quote Link to comment Share on other sites More sharing options...
SBR Posted January 14, 2023 Author Report Share Posted January 14, 2023 1 hour ago, Thumpy said: Buying another Mac in 45 should solve your issue! Lol Jk have you tried sub sonic 124 grain? I’ve used American Eagle Suppressor 9mm Ammo that is 124gr I think that’s pretty much the name on the box an it ran in my m10 seems to stay subsonic I've shot it in suppressed pistols but I thought it was discontinued now? Quote Link to comment Share on other sites More sharing options...
Thumpy Posted January 14, 2023 Report Share Posted January 14, 2023 1 hour ago, SBR said: I've shot it in suppressed pistols but I thought it was discontinued now? I wasn’t aware of that. But just looked online an that looks to be true. Quote Link to comment Share on other sites More sharing options...
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