H&K - UMP GBB - Magazine Rebuild Kit
- OEM Factory Replacement
- Feed Lips
|Material||Metal Alloy, Rubber, Polymer|
|Compatibility||H&K UMP GBB Magazine|
*Follower spring appears thinner in product photo
DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.
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