UMP / USC Magazines / Brass Catchers

H&K UMP (9mm) Magazine Spring - 30 Round Perfect for spares and to have on hand as these are a consumable part.

H&K USC (.45 ACP) Magazine Follower New HK German USC 10 Round magazine follower.

New HK Heckler and Koch .40 S&W 30 Round Magazine Housing for HK UMP New HK German UMP .40 30 round factory magazine body. A great spare part in the event that your mag body is damaged or cracked.

HK UMP 30 Round Magzine Follower .40 S&W

H&K UMP (.40 S&W) Magazine Locking Plate German HK.

HK Heckler and Koch 5 Round .45 ACP Magazine for HK USC  This is the only magazine that HK offers for the HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible With: All HK USC carbines

H&K USC (.45 ACP) Magazine Locking Plate Insert

H&K USC (.45 ACP) Magazine Floor Plate

HK USC .45 10 Round Magazine Body. This is the only magazine body that HK offers for the HK USC. Compatible With: HK USC Carbines