UMP / USC Small Parts
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HKP UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail With Hardware
UTG
$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...$24.95 -
Out Of Stock
HK UMP, USC Barrel Roll Pin
H&K Heckler & Koch
$11.94Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...$11.94 -
HK UMP, USC Picatinny Rail Screw
$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.$0.75 -
HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
$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 models$11.95 -
HK UMP Lower Locking Pin - 9mm / .40 S&W / .45 ACP
HKP HK Parts
$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...$12.95 -
HK UMP, USC Stock Axle Pin
H&K Heckler & Koch
$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...$30.95 -
HK UMP Paddle Magazine Release
H&K Heckler & Koch
$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...$16.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
H&K Heckler & Koch
$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 models$20.95 -
HK UMP, USC Cocking Handle Pin
H&K Heckler & Koch
$7.95HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USC$7.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever
H&K Heckler & Koch
$24.95HK UMP & USC Cocking Lever New HK German part. Compatible With: HK UMP HK USC$24.95 -
HK UMP, G36 Sear Spring
H&K Heckler & Koch
$8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.$8.95 -
HK UMP, USC Firing Pin - Complete Assembly - .40 S&W / .45 ACP / 9mm
H&K Heckler & Koch
$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's$82.95