Uncompromising Quality & Craftsmanship
Site Updates

HK MP5 guns for sale and build services: Click Here


HK USC to UMP conversion and build services: Click Here


Youtube Channel now open: Click here for videos


Black Ops WANTED items section added


Project section update: FNH PS90 to P90 SBR


Project section update: HK SL8 to G36C Converson


Project section update: M60E4 SLR Semi Auto Build


Project section update: MP5K PDW SBR build

HK USC to UMP Conversion Services and Parts / Fuse-on and Stock Block Style Conversions
USC to UMP Conversion Services / Weld-on & Stock Block Style
HK MP-5 Build Services and Parts Kit Builds
HK MP5 Build Services and Parts
HK SL-8 to G36C Fuse-on Conversion Services / G36C Barrel Work
SL8 to G36 Weld-on Conversion Services / G36C Barrel Converisons
HK MP-5 SD Build Services and Standard MP-5 to SD Conversions
MP5 SD Build Services and Standard MP5 to SD Conversions

scar-sbr-eglmSCAR Short Barrel & 37mm EGLM

  • SCAR barrel cutting, SBR work
  • Custom made EGLM, civilian legal
    flair launcher
psg1PSG1 Conversion Work
Scratch Builds

  • 91 series HK rifle to PSG1 SG1
  • Scratch built 91 series HK rifles with all PSG-1 SG-1 trimmings
wa2000WA 2000 Clone .308 Conversion

  • Remington 7400 action
  • Custom barrel
  • WA2000 bull pup stock and custom fitting
Welcome To Black Ops Defense

We will be updating constantly adding info, products, specials, blogs, write-ups, web store items and more. Feel free to contact us regarding your project, parts and accessory needs or ideas. Check back soon to see what’s new. Expect to see great products, services, HK gunsmithing info and links for the tactical gear and weapons enthusiast / professional!

Coming Up:

  • HK USC to UMP conversion and build services from Black Ops Defense
  • HK MP-5 kit build info section: MP5 .40 MP5K 9mm MP5 SD 9mm
  • M60 SLR Semi Auto build info section
  • HK PSG-1 Clone build info section
  • FN M249 SAW Semi Auto build info section
  • HK UMP build info section
  • HK G36-C build info section
  • Knight Armament SR15 M4 review
  • PS90 – P90 project / review
  • FN SCAR 16s SBR project / review Grenade launcher build
  • HK MP7 semi auto custom project
  • General HK Gunsmithing
  • Walther WA2000 custom project And more…