MP5K / SP5K Receivers / Uppers

HKP HK MP5/K Billeted Scope Tab - Weldment Billeted scope tab weldment for HK MP5, MP5K, and compatible clones. Provides a correct mounting point for optics. Compatible With: HK MP5/94 HK MP5K/SP89 HK MP5 40/10 Clones or custom builds

HK MP5K Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will vary from part-to-part vs. the pictured unit. Compatible...

MP5K-40, MP5K-10 Receiver Flat - USA Receiver Flat for use with a MP5K-40 or MP5K-10mm build. Please note: This is for the flat as picture no weldments are included. ***This US made receiver flat counts as one required 922r compliant part***

H&K MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used   Factory original HK push button replacement part. Limited quantity available.   This is a used part, sold AS-IS, and is not eligible for return.  Compatible...

HKP HK MP5 Case Deflector - 9mm, .40 Receivers US-made steel case deflector for HK MP5 and MP5K receivers in 9mm and .40 S&W. Installs on the ejection-port flat, rivet or weld, to redirect brass and support reliable extraction on MP5 and MP5K style...

HKP MP5, 94 Trunnion 9mm - USA US made to exact factory HK specifications for the HK MP5, 94 type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK...

HKP HK MP5K Receiver Flat - Smooth Top The MP5K receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...

HK MP5K Trunnion  Made to exact factory HK specifications for the HK MP5K type builds. Machined to HK spec making the install painless and hassle free. Compatible With: MP5K In spec clones