Face5535 Posted February 8, 2019 Share Posted February 8, 2019 A long while ago I had a 10mm so I bought a bunch of 10mm brass at a gunshow. Years went by and I recently opened the boxes to look them over and clean them up. I noticed some odd lines in the brass... no clue what they are? Is this normal? Safe to lead? Anyone seen this before... looking to be schooled on this! Thanks guys! Link to comment Share on other sites More sharing options...
kuletchi1 Posted February 8, 2019 Share Posted February 8, 2019 A long while ago I had a 10mm so I bought a bunch of 10mm brass at a gunshow. Years went by and I recently opened the boxes to look them over and clean them up. I noticed some odd lines in the brass... no clue what they are? Is this normal? Safe to lead? Anyone seen this before... looking to be schooled on this! Thanks guys!Looks like crimp linesSent from my SM-G955U using Tapatalk Link to comment Share on other sites More sharing options...
Face5535 Posted February 8, 2019 Author Share Posted February 8, 2019 So safe to load no issue? Link to comment Share on other sites More sharing options...
RJH Posted February 8, 2019 Share Posted February 8, 2019 Fired in a Fluted chamber like an hk maybe? Link to comment Share on other sites More sharing options...
AHI Posted February 8, 2019 Share Posted February 8, 2019 clean and load away. Don't remember what gun that use to do this its a type of chamber Link to comment Share on other sites More sharing options...
Face5535 Posted February 8, 2019 Author Share Posted February 8, 2019 Just now, AHI said: clean and load away. Don't remember what gun that use to do this its a type of chamber Figured as much! Thanks so much for the info here!! Link to comment Share on other sites More sharing options...
AHI Posted February 8, 2019 Share Posted February 8, 2019 HK sounds right Link to comment Share on other sites More sharing options...
Face5535 Posted February 8, 2019 Author Share Posted February 8, 2019 Not aware of many HK 10mm?! I’ll have to look into one:)!! Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
AHI Posted February 8, 2019 Share Posted February 8, 2019 HK sounds right MP5 Link to comment Share on other sites More sharing options...
Intel6 Posted February 8, 2019 Share Posted February 8, 2019 Yep, HK MP5. The FBI used/uses them and I used to get some fired brass from them training out at our local range. I had some that had already split on the first firing but if they are not then clean them and load them. I had a few develop splits along the flute lines but it was free brass to me. Link to comment Share on other sites More sharing options...
BASE772 Posted November 11, 2019 Share Posted November 11, 2019 I’ve seen this in several 9mm Major barrels that someone tried to ream and they got chatter so to speak while doing it. Link to comment Share on other sites More sharing options...
WmKerle Posted November 20, 2019 Share Posted November 20, 2019 I got some brass that looked like that .... I ran it through a Redding GRx die first and had no problems loading it afterwards. I never really knew what it was shot out of .... but an HK sounds ok to me. Link to comment Share on other sites More sharing options...
Face5535 Posted November 20, 2019 Author Share Posted November 20, 2019 2 minutes ago, WmKerle said: I got some brass that looked like that .... I ran it through a Redding GRx die first and had no problems loading it afterwards. I never really knew what it was shot out of .... but an HK sounds ok to me. Its been fine... been loading em up and no issues at this point! Link to comment Share on other sites More sharing options...
WmKerle Posted November 20, 2019 Share Posted November 20, 2019 That's a good thing . Are you using a GRx die ? I run all my .40 S&W and 10mm brass through it before I load them. I get a lot of Glock brass from a range and it has the Glock smile on some of the .40 and 10mm I get. I never tried it with out the GRx die. Link to comment Share on other sites More sharing options...
Rob1125 Posted December 6, 2019 Share Posted December 6, 2019 Definitely 10mm MP5. Shot quite a few rounds from one of those. Link to comment Share on other sites More sharing options...
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