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  1. Bought MR556 BCG

    WANTED TO BUY HK PARTS AND ACCESSORIES
    Looking for an MR556 BCG. Saw one sold recently for $450 in like-new condition so I'd like to stay around there, open to used. Also open to BRN4 BCGs around the $200ish mark.
    $450 USD
  2. HK PARTS AND ACCESSORIES FOR SALE
    Looking to trade my NIB HK416 SMR MLOK rail in DDC for the same in black. No other version or blems needed (even if kicking in $). Was slid on for test fit and aesthetics, but no marks or issues. Just as it came from Geissele. Looking to trade 1:1 and as a token of appreciation, will include...
  3. HK PARTS AND ACCESSORIES FOR SALE
    Recently bought this, I have a 11.5 inch HK MR556 and figured it would fill in the gap compared to my 10.3 Geissele rail. Even though it says 11 inch it is actually the same length as the Geissle rail. I'll ship it out for $175 including shipping via Paypal. Only was mounted and not used after...
    $175 USD
  4. HK HEADS UP!
    For those of you looking, decent price if you can swing it before any tax refunds: https://www.rooftopdefense.com/product/heckler-koch-hk-mr556-16-5-56-mlok-rifle/
  5. HK416 and HK417 HQ
    Hey guys, new member here but I have the MR556 with the MLOK rail but want a quad rail. Does anyone have any interest in a trade or trade plus cash for their quad picatinny rail? Thanks. Anthony
  6. HK PARTS AND ACCESSORIES FOR SALE
    Selling my HK MR556 BH date code complete upper. Low round count. The upper has the older heavy HK barrel. The upper comes with HK spring, buffer, complete BCG and charging handle.
    $1,800 USD
  7. HK PARTS AND ACCESSORIES FOR SALE
    Selling my E1 stock. Came on my MR556. Like new.
    $95 USD
  8. WANTED TO BUY HK PARTS AND ACCESSORIES
    Looking to buy either a standard quad rail or preferably the AGB quad rail for mr556/416 for 10.4 rifle, quad rail should measure out to ~9.5, let me know what you have and maybe we can make a deal! Pictured is an A5 rail with flip up front sight that may be available aswell depending on what we...
    $1,000,000 USD
  9. HK PARTS AND ACCESSORIES FOR SALE
    RETRACTED. was an MR556 upper for trade for a USC. Bought the USC outright.
  10. HK PARTS AND ACCESSORIES FOR SALE
    As seen, in un-fired condition with only installation marks. Comes with gas block, barrel nut and p&w Surefire 3-prong flash hider. Gas block is ported. Barrel is chrome-lined. Barrel nut shows signs of handguard installation. Would like to trade for a light profile 10.4" NF barrel in similar...
  11. HK PARTS AND ACCESSORIES FOR SALE
    Upper is complete and ready to fire. Upper has slight handling marks. Genuine HK non marked upper. Giessle airborne Charging handle DDC Giessle 14.5inch Smr 16 MLOK rail HK chopped 14.5 vented gas block Brn-4 14.5 medium profile nitride barrel (not pinned and welded) Brn-4 barrel nut Brn-4...
    $1,600 USD
  12. HK PARTS AND ACCESSORIES FOR SALE
    6 new in original wrap HK polymer MR556/HK416 magazines $300 shipped Zelle for fastest processing Ship only where legal
    $300 USD
  13. HK416 and HK417 HQ
    For the uninitiated, I wanted to post regarding distinguishing between a real 416A5 upper and a MR223A3 upper. As one would expect, the A5 commands much more $$$ than the MR223A3. Both work great, but don't be fooled into paying a higher premium for the less premium option. The 416A5 and...
  14. HK PARTS AND ACCESSORIES FOR SALE
    1. New Haus A5 tan anodized upper receiver. Gently used Nefarious Arms 11” cold hammer forged, chrome lined, socom profile barrel with A5 barrel extension. This was originally a 14.5” barrel that NA shortened to 11” and modified the barrel extension to A5. Used HK416 10” gas block with sling...
    $50 USD
  15. HK-USA Shooting Team Announcements
    2023 has been a busy year combined with moving to a new home after 20 years in the old one......cleansed! Despite that chaos, the HKs have delivered in many matches this year! It's been fun doing some team events as well this year with a young man I've been training (he now owns a VP9L-OR!!!)...
  16. HK PARTS AND ACCESSORIES FOR SALE
    Selling some parts off an old build I had, wish I could keep it but I need the money more than the build, let me know if anything here interests you. I'm willing to bundle everything that hasn't sold for $735.00 shipped, price will change as items are sold. Semi-Stripped Barreled Receiver: I...
    $735 USD
  17. WANTED TO BUY HK PARTS AND ACCESSORIES
    As stated, 9.5" handguard with numbers going to to 40 (not 36) with the NS suppressor marking in black without the flip up sight. Thanks! Price can be negotiated; also have an mp5 RAS for trade if interested!
    $600 USD
  18. HK PARTS AND ACCESSORIES FOR SALE
    HK416 MR556 MR223 AR15 10.4” Upper Comes with the following; New Haus A5 tan anodized upper receiver. Gently used Nefarious Arms 10.4” barrel cold hammer forged, chrome lined, lightweight profile barrel with A5 barrel extension. Gently used MR556 bolt carrier, firing pin, spring, cam pin and...
    $2,400 USD
  19. HK PARTS AND ACCESSORIES FOR SALE
    MRS Handguard in great condition, comes with 2 pic segments and Handguard screw. Asking $59 shipped for everything. Payment via PayPal FF/Venmo FF/Zelle. If you want to use G&S please add the fee.
    $59 USD
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