Elite Force H&K UMP GBB Magazine Rebuild Kit,

leaking H&K UMP GBB magazine again. Now you can fix your magazine at home with the H&K UMP GBB Magazine Rebuild Kit! This kit contains all the parts, seals, springs, followers, and valves needed to completely rebuild the guts of your UMP GBB without having to buy an entirely new magazine Features: Factory OEM components Includes all components needed to rebuild one Elite Force UMP magazine Compatible with Elite Force UMP Gas Magazines Includes: H&K UMP GBB Mag Rebuild Kit for H&K Airsoft Model 2262046 . Discounted at only: US$ 29.95