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  1. HK PARTS AND ACCESSORIES FOR SALE
    MP5/SP5 Trigger Housings A MP5 3-POSITION AMBI 0-1-2 BURST TRIGGER HOUSING $200 SOLD B CLIPPED BUT NOT PINNED HK STYLE AMBI 0-1-F TRIGGER HOUSING in fair condition and price reflects It (UNSURE OF ORIGINS BUT DID MOUNT ON A SP5L WITH AN AMBI TRIGGER PACK) $50 C MP5 3-POSITION SEF TRIGGER...
    $40 USD
  2. HK PARTS AND ACCESSORIES FOR SALE
    For a longer LOP on your SP5 - quality BT adapter & HK UMP stock / all NFA rules apply +$12 shipping prefer zelle cashapp & venmo credit cards +3% No sales to Iowa
    $277 USD
  3. NON HK FIREARMS FOR SALE
    MK27 MOD 1 complete upper, (MOS cut from glock and OE Trijicon irons). Deltapoint Pro is brand new, Surefire X300 Vampire has seen a couple hundred rounds. Magwell is made by NineX19 and is brand new. FACTR flat trigger is brand new along with both Taran +3 mag extensions. Frame is also brand...
    $1,500 USD
  4. HK LONG GUNS FOR SALE
    Started life as a AA date code (2000) USC. Comes with a UMP rear section/HK stock and a HK FBI lower. All parts are original German manufacture. I’m including 2 US mags which are all you need for 922r compliance. All you need to do is ship this to Tommybuilt and have him convert it for...
    $2,000 USD
  5. HK LONG GUNS FOR SALE
    SOLD to local buyer. I’m cleaning out the safe and looking to sell my Heckler & Koch USC. This .45 ACP HK USC has a HK UMP folding stock and 2-position HK UMP lower receiver that accepts 25-round magazines. I am the original owner and have not fired the rifle. The rifle is offered with a HDPS...
    $2,300 USD
  6. HK PARTS AND ACCESSORIES FOR SALE
    HK USC Grease Gun mag conversion. This will convert your usc to shoot grease gun mags. It’s just like a stock block conversion for a ump lower/mags but A LOT more economical. Comes with lower, stock, stock block, receiver screws, buffer, USC trigger group, lower pin, and 2 Grease Gun mags...
    $350 USD
  7. HK PARTS AND ACCESSORIES FOR SALE
    I have a UMP rear stub with a stock pin. Also comes with a front and mid section if you need those for some reason lol. Also comes with a USC rear sight/sight screw, front sight, and a barrel pin. I believe I have the pictured recoil buffer but that may be missing.
    $450 USD
  8. HK PARTS AND ACCESSORIES FOR SALE
    Selling a new never fired Omega Gideon Shadow UMP Receiver. Comes with front and rear sights, 3 rails, cocking tube/lever and ejector. Also comes with the Gideon stock pin and barrel pin. All parts are US made. Asking 600 shipped. Will ship to your dealer.
    $600 USD
  9. HK PARTS AND ACCESSORIES FOR SALE
    Selling this complete bolt group, asking $300+shipping. Thanks
    $300 USD
  10. NON HK FIREARMS FOR SALE
    TommyBuilt UMP clone. All parts are new except for the recoil rod (HK) and polymer side rails. US bolt. .45 HDPS barrel (also new). Feel free to ask any questions. Got an MP5 itch so it’s gotta go. Sling and one mag included. Shipping extra to your FFL. Prefer Venmo, Zelle or Paypal (F&F).
    $2,400 USD
  11. HK PARTS AND ACCESSORIES FOR SALE
    Looking to sell some leftover items. Price includes shipping CONUS. UMP Stock - $90 USC Barrel - $200 HDPS Faux suppressor - $100 save me the trouble and buy all three $350 shipped.
    $100 USD
  12. WANTED TO BUY HK PARTS AND ACCESSORIES
    Looking for UMP rear section for usc conversion. I would prefer a longer stub but really at this point anything will do. Thank for helping a brotha out!
  13. HK PISTOLS FOR SALE
    45 UMP clone - started life as a 9mm but Tom Bostic swapped it over to .45 for me. Gideon Shadow receiver HK bbl cut & threaded 5/8x24 by Tom Bostic HK bolt group HK trigger/Fire control group (safe/semi) SB brace 2 mags (1 US & 1 German) See pics for date codes on BCG & FCG. Unfired by me...
    $2,200 USD
  14. HK LONG GUN TALK
    Hi HK fam! I am getting ready to send my USC to Tom Bostic for conversion and recently acquired a UMP stub that included the front section as well. Two main questions here: Is the front stub used in Tom’s fuse job? I initially thought there weren’t any differences besides the vents milled in...
  15. HK PARTS AND ACCESSORIES FOR SALE
    Everything is + shipping, i generally use usps flat rate if it can fit. 1. Hk sight tool $45 SOLD 2. G2 Polymer sef lower w/ selector, no trigger pack. $35 SOLD 3. Hk416 Gen 3 black magazine 30rd (NO Restricted states) x 4 $340 Stored with very light scratches, dont think it was ever used. 4...
    $50 USD
  16. HK PARTS AND ACCESSORIES FOR SALE
    All parts are new unless otherwise noted. Please feel free to ask questions or DM me with combine offers on multiple items. These are just parts I've been hanging onto and decided to clear out. For payment I accept USPS Money Orders, teller checks, and personal checks (for personal checks, I...
    $1 USD
  17. HK PARTS AND ACCESSORIES FOR SALE
    Selling a brand new USC receiver. Prefect for your UMP kit build. $950 shipped to your FFL.
    $950 USD
  18. HK PARTS AND ACCESSORIES FOR SALE
    12-30rd UMP mags chambered in .40 all restricted stamped. Excellent condition. $45 each plus shipping. 2- Brand new 10rd USC .45 mags $45 each 1-Brand new USC .45 barrel. Factory takeoff from unfired gun $260 shipped $10 ships up to 6 I accept Zelle, Cashapp, ApplePay
    $45 USD
  19. HK PARTS AND ACCESSORIES FOR SALE
    I’ve got a used HDPS UMP flanged barrel chambered in .45. Used but in great shape. Asking $260 shipped. 1 UMP .45 Restricted mag (few more coming) $160 shipped 3 UMP .40 Restricted mags $80 each shipped
    $260 USD
  20. New Member Introductions
    Hi, happy to be part of a knowledgeable group! I’ve been collecting exclusively hk for a few years now. I don’t have anything super off the wall but I feel it’s a respectable start. Vp9l Usp45c P2000sk Sp5 USC/UMP I’m currently waiting on the stamp for the ump. When I started getting pieces...
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