MP5 / SP5 Receivers / Uppers

Heckler and Kock Magazine Catch Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...

HKP HK Parts Rear Sight Drum and Base for HK MP5, HK94, and HK SP5K Finally, an affordable factory correct rear sight that does not break the bank or lead to settling for inferior 3rd world produced pot metal cast MP5 rear sights. We offer the only set...

HKP and Heckler and Koch Complete Magazine Release Set for your 9mm HK MP5, HK MP5K, and HK94 - German or American Complete magazine paddle mag release kit that includes everything you need for the standard and paddle mag release on your HK 9mm...

HKP MP5 Sling Clip for Magwell This is the factory correct sling clip that attaches to the left hand side of the magwell. Note: 3 rivets are required to attach - sold separately 

HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...

HKP Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...

MP5 Receiver Flat - LSC LSC HK MP5 receiver flat is the most in spec flat that has ever been available. The best option for your HK German parts kit build. This flat is considered by many to be most sought after HK flat available on the market and...

DTAC Spec Billeted Semi Auto Shelf For C/P'ed Trigger Group -Dakota Tactical The needed receiver shelf that is welded to the magwell of the receiver to allow the use of clipped & pinned trigger housings. These are as made to DTAC's custom specs...

HKP MP5/HK94 Complete Weldment Set For Receiver Flat This is the finest, most correct weldment set for your HK MP5, 94 project available.  Each Weldment Kit Contains: 1x Semi Auto Shelf Hanger Block 1x Rear stock bushing 1x Scope mounting piece 1x...

HKP HK Parts 9mm Contact Piece HK MP5 and HK MP5K Factory correct US manufactured MP5, MP5K 9mm Contact Piece for Paddle magazine release. Each part was made using the same material and manufacturing methods used on the German HK latest production parts...

HKP HK Parts 9mm Anti-Rattle Roller Tipped Paddle Magazine Release for HK MP5 and MP5K Latest generation paddle mag release for all 9mm MP5, MP5K style builds. Made to the latest German specs, materials, and design.  Compatible...

HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...