.300 Blk. Out, wanted 1, got 1, now what?

[CorpsVet]

Sad to say that as of yet I haven't even put a mag in the gun, so I can't be of any help.

 

[undeg01]

I bought 2 metal mags and a pmag [not the blackout version].

As for the pistol, it was a kit from PSA, so I'm not sure they provided the gas port size. Should be a standard milspec buffer spring and buffer, I believe.

None off the ammo I tested, so far, has been subsonic.

Yes, bolt locks on an empty mag.

It is odd that a kit wouldn’t function properly. Could be a problem with the feed ramp, but I like to look for the easier fixes first. Run it with a wet bolt. Really wet. A stronger spring might help with loading. And most ports are standard 3/32, but I have drilled several out to a full 1/8 and achieved better results. Playing with the buffer weight sometimes helps resolve issues as well.

I wish I could give you a better, straight forward answer, but as I’ve said on here before, the Blackout is a finicky beotch! Sometimes it takes a lot of experimenting to get them to run the way they should.

 

[Brian Wood]

It is odd that a kit wouldn’t function properly. Could be a problem with the feed ramp, but I like to look for the easier fixes first. Run it with a wet bolt. Really wet. A stronger spring might help with loading. And most ports are standard 3/32, but I have drilled several out to a full 1/8 and achieved better results. Playing with the buffer weight sometimes helps resolve issues as well.

I wish I could give you a better, straight forward answer, but as I’ve said on here before, the Blackout is a finicky beotch! Sometimes it takes a lot of experimenting to get them to run the way they should.

Thanks, I'll try getting her extra wet first, see what that does [cheap solution first] then I'll try other mags.

Drilling a gas port isn't something I'm ready to tackle...

Updated. I did take a dremmel and some polishing compound and lightly polished the feed ramps to make sure they were extra smooth... I'll try shooting this weekend with them polished and then with extra wet.

 

[beastep]

If it fails again take a picture of the failure before you clear it.