Description HK UMP, USC Magazine Release SpringHK German factory mag release spring for all USC and UMP mag releases. This spring is the same for either style lower.Fits all: USC lowers UMP lowers
Quick view H&K Heckler & Koch • SKU: HKP-01900 H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Spring Now: $8.95 Was: MSRP: Add to Cart
Quick view H&K Heckler & Koch • SKU: HKP-00262 H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring Now: $9.95 Was: MSRP: Add to Cart
SOLD OUT Quick view H&K Heckler & Koch • SKU: HKP-01898 H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Left Now: $9.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view H&K Heckler & Koch • SKU: HKP-01892 H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Right Now: $11.95 Was: MSRP: Out Of Stock
Quick view H&K Heckler & Koch • SKU: HKP-01886 H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Spring Now: $8.95 Was: MSRP: Add to Cart