HK UMP 45 - Semi Auto Bolt Carrier Complete with Ejector Includes Extractor Includes Firing pin Retaining Pin Includes Ejector Marked .45 Auto just like the OEM carrier The semi auto bolt group is required for HK USC to HK UMP caliber conversions. You can get it here...

Factory HK GERMAN MP5, MP5K 9mm full auto trigger pack unmodified as it comes from HK. Each factory full auto trigger pack comes with a new factory 9mm 3rd Generation GERMAN Ejector lever installed. We do NOT use inferior Pakistani, MKE or US made ejector levers in our trigger packs. Each used...

Check out my MP5 A5 .22 with a couple new accessories! I had a small red-dot reflex sight on, but had to send it in for replacement... although I really like the reliability and look of the iron sights. This gun has caused me to enjoy shooting .22's again... It is a BLAST!!!