[campfooey]

I have a USP 45 full size I ordered a 12 rd. mag. for it and it don't seem to fully seat in the pistol it locks in ok but theres a gap between the floor plate and pistol handle. Its a factory HK mag. and was pricey it won't feed right unless I push the mag. up when I shot the pistol not to easy to do. Is there any way to fix this problem my 10 rd. mags. seem to work ok. There's about 1/16 of a in. on the bottom of the 10 rd. mag. and about 3/32 of a in. on the 12 rd. mag.

 

[TooSixy-closed]

Are you sure the mags aren't for the Mark 23?

 

[mneblett]

Are you sure the mags aren't for the Mark 23?

+1. A USP 12-round mag fits in my USP exactly the same as a neutered 10-round mag.

 

[Kost]

I have a USP 45 full size I ordered a 12 rd. mag. for it and it don't seem to fully seat in the pistol it locks in ok but theres a gap between the floor plate and pistol handle. Its a factory HK mag. and was pricey it won't feed right unless I push the mag. up when I shot the pistol not to easy to do. Is there any way to fix this problem my 10 rd. mags. seem to work ok. There's about 1/16 of a in. on the bottom of the 10 rd. mag. and about 3/32 of a in. on the 12 rd. mag.

*Correction*

Mark 23 magazines will work in a full sized USP 45. USP 45 magazines will not fit in a Mark 23.

 

[F0x_hound]

Picure please of the issue.

 

[campfooey]

Mag trouble

I'll put up some pictures a dime fits in between the mag and handle with some wiggle room with the 12 rd. mag. don't fit in between with 10 rd. mag.

 

[campfooey]

Mag problems

a few more pics

 

[nitmr26]

Could have got a Mark 23 Mag by mistake? USP 12 Round Mags work in Mark 23, but a Mark 23 Mag will NOT work in a Fullsize USP .45.

You have that backwards. Mark 23 magazines will work in a full sized USP 45. USP 45 magazines will not fit in a Mark 23.

 

[TooSixy-closed]

Post pics of the mag itself.

 

[Kost]

You have that backwards. Mark 23 magazines will work in a full sized USP 45. USP 45 magazines will not fit in a Mark 23.

*Post corrcted thanks!*

 

[TexasUSP45]

All 5 of my 12 rd mags fit like yours, no issues feeding with any of them. I can slip a dime in the gap if I apply a bit of pressure with the coin.

https://flic.kr/p/NgKwsk
https://flic.kr/p/MrFdqs

 

[campfooey]

I tried the mag again and if I push up on the bottom it feeds fine very hard to do Thanks for the help and suggestions I'll just use my 10 round mags and trade the 12 rd. off maybe it will work in a different USP