UMP / USC Small Parts
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On Sale
HKP UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail With Hardware
UTG
Now: $22.45Was: $24.95UMP, USC Side, Bottom Rail With Mounting Hardware - Aluminum Listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm. 1 each for the sides and 1 for the bottom for a total of 3 rails. Each rail is made from...Now: $22.45Was: $24.95 -
On Sale
HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
Now: $10.75Was: $11.95HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP modelsNow: $10.75Was: $11.95 -
On Sale
HK UMP, USC Picatinny Rail Screw
Now: $0.68Was: $0.75HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw Good spares to have on hand as screws can get damaged or lost.Now: $0.68Was: $0.75 -
On Sale
HK UMP Lower Locking Pin - 9mm / .40 S&W / .45 ACP
HKP HK Parts
Now: $10.36Was: $12.95HK UMP Lower Locking Pin, Push Pin For use with all HK UMP lowers & USC to UMP conversions. Made in the USA. This is the pin that holds the lower to the receiver. Compatible With: UMP USC Conversions TBT builds Omega Other builds that...Now: $10.36Was: $12.95 -
On Sale
HK UMP, USC Stock Axle Pin
H&K Heckler & Koch
Now: $27.86Was: $30.95HK German UMP Rear Stock Axle Pin This is the HK factory German stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...Now: $27.86Was: $30.95 -
On Sale
H&K UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release
H&K Heckler & Koch
Now: $15.25Was: $16.95UMP Paddle Magazine Release This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible With: UMP .45 UMP .40 UMP 9mm Please Note: This...Now: $15.25Was: $16.95 -
On Sale
HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
H&K Heckler & Koch
Now: $18.86Was: $20.95HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With: HK USC .45 HK UMP modelsNow: $18.86Was: $20.95 -
On Sale
HK UMP, G36 Sear Spring
H&K Heckler & Koch
Now: $8.05Was: $8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.Now: $8.05Was: $8.95 -
On Sale
HK UMP, USC Firing Pin - Complete Assembly - .40 S&W / .45 ACP / 9mm
H&K Heckler & Koch
Now: $74.66Was: $82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sNow: $74.66Was: $82.95 -
On Sale
HK UMP, USC Firing Pin Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts. Compatible with: All HK UMP & USC FirearmsNow: $8.96Was: $9.95 -
On Sale
HK UMP, USC Magazine Release Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases. Compatible With: USC lowers UMP lowersNow: $8.96Was: $9.95 -
On Sale
HK UMP, G36 Pistol Grip Storage Insert
USA
Now: $15.25Was: $16.95HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...Now: $15.25Was: $16.95