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  1. Grease Gunner

    SubGun Sunday......

    I have to order some parts to get back on the 21 project....can i ask for donations??
  2. Grease Gunner

    SubGun Sunday......

    Needed to get out of the shop for a bit and since it was nice I decided to take some MP5’s to the range. They needed a shake down and zeros confirmed for some matches coming up in a few months. Today seemed like a good day for that. Everything ran flawlessly and shot how I expected them to. I...
  3. Grease Gunner

    Starting the new project-HK21

    Update-after working on the gun the morning I think I have the wrong recoil spring for it. It seems like it’s running out of steam before it gets fully into battery. I’ve done the following- Test bolt with no feed mech Test bolt with top plate no feed mech Test with bolt top plate and mech...
  4. Grease Gunner

    Starting the new project-HK21

    Well I have the HK21 all put together. Now I have to get it tuned to run. It won’t chamber a round out of the belt-it stops out of battery and I can’t see where or why. It will fire when dropping a round into the chamber but when I fire it with the feed mech in-it will extract the case but not...
  5. Grease Gunner

    Starting the new project-HK21

    I’m really really hoping to be posting a video of the gun running by Sunday.....I need a win in my life right now.
  6. Grease Gunner

    Official HK Manuals Thread

    MGW?
  7. Grease Gunner

    Starting the new project-HK21

    I came home from work early....let’s just say I’ll be looking for a new job soon as I was sold a line....I spent my day on my safe place working on a project.....whatcha think?? I have to weld on the receiver stiffeners, rear sight mount, mid mount for an AA tripod mount, a short pic rail...
  8. Grease Gunner

    WTB HK21 feed mech locking plate

    Realized I need a locking plate for my HK21 build. Anyone have one? I could also use that little pivot pin too.
  9. Grease Gunner

    Starting the new project-HK21

    Spent the afternoon/evening in the shop doing some welding. Have the trunion in, feed mech housing welded on, the feed mech fits in, the barrel head space looks good, so now I need to add the rear stock pin bushings, semi auto shelf, and then work on the shroud....10 hours and counting at this...
  10. Grease Gunner

    Starting the new project-HK21

    Well at this point I wish I could afford to feed it as all my spare money from my business has gone into this R&D project for building this gun as I have other wanting to see how it turns out. If all goes well...I’m likely going to be building a few more. Parts ain’t cheap when it comes to HK...
  11. Grease Gunner

    Starting the new project-HK21

    This is roughly 4 hours of work up to this point. I’m just about ready to start welding the receiver up :-)
  12. Grease Gunner

    Starting the new project-HK21

    Couple more pictures with the shroud in place. This is gonna be fun when it’s done.
  13. Grease Gunner

    Starting the new project-HK21

    Well I’m finally starting the tough project......the HK21. I’ve spent all afternoon cutting, fitting, grinding, cussing, cutting, fitting, grinding, cussing, cutting, fitting.....well you get the idea LMAO I have the receiver rolled and bolt assembly sliding, I have the feed mech fitted to the...
  14. Grease Gunner

    Decided to work on the SD mess this afternoon.....

    The best part of this build.....I finally get to use my SureFire M23 Mount!!!!
  15. Grease Gunner

    Decided to work on the SD mess this afternoon.....

    Side note-this is the road i normally take to get home under water and the last two pics are my back yard. Water came up over 3 ft during the night.....I have seasonal lake front property at my house......
  16. Grease Gunner

    Decided to work on the SD mess this afternoon.....

    Came home to man the sump pumps so I’m going between the machine shop and the house keeping an eye on things.....water is still coming up outside but the basement water level is staying the same (holding our ground so to speak) Here’s the SD project all put together. I dug out a B&T side fold...
  17. Grease Gunner

    Decided to work on the SD mess this afternoon.....

    I was up at 5am this morning so I could paint it before work.....might be good Home early as Dad called....he has 4” of water in the basement. Let’s just say we have some flooding issues around the house......2 of the 3 ways out of my little town are flooded over and the 3rd was getting close.
  18. Grease Gunner

    First CC Date Code Seen

    Me for the win then ahahahahhahaha
  19. Grease Gunner

    First CC Date Code Seen

    See I found a CC.....LMAO
  20. Grease Gunner

    Decided to work on the SD mess this afternoon.....

    Well it’s all engraved so now I’ll paint it tomorrow, give it one last shake down and confirm it’s zero (now that I found my sight tool) then I’ll shoot the s@@t out of it :-)
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