MP5K / SP5K Series

MP5K / SP5K Series

Discover the most comprehensive selection of HK MP5K and SP5K parts at HKP. From bolt carrier groups and barrels to trigger packs and magazines, we provide all the HK parts you need to build, upgrade, or maintain your firearm. Whether you're enhancing your MP5K with 922r compliant parts or looking for the perfect SP5K flash hider, our top-quality components are designed for precision, reliability, and performance. Trust HKP for all your MP5K and SP5K parts and accessories.

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  • Out Of Stock
    New - B&T Direct Thread 1/2x28 Hub Adapter - HKP-21506 B&T 1/2x28 Direct Thread to Hub Adapter

    B&T 1/2x28 Direct Thread to Hub Adapter

    B&T Brugger & Thomet

    $89.95
    B&T Direct Thread 1/2x28 Hub Adapter Convert any 1/2x28 RH threaded barrel to accept Hub devices with this direct fit adapter. Compatible With: HK MP5, MP5K, SP5, SP5K HK MR556 HK UMP 9mm B&T APC223, SPC223 B&T APC9K B&T GMH9...
    HKP-21506
    $89.95
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  • Used - Swiss Military Single Point Sling - OD Green - Used - HKP-19794 Swiss Military Single Point Sling - OD Green - Used
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    Swiss Military Single Point Sling - OD Green - Used

    Other

    $34.95
    Swiss Military Single Point Sling in OD Green - USED  
    HKP-19794
    $34.95
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  • New - Bore Boss Pull-Through Bore Cleaner - .40/.41 - HKP-19411 Bore Boss Pull-Through Bore Cleaner - .40 S&W / .41
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    Bore Boss Pull-Through Bore Cleaner - .40 S&W / .41

    Real Avid

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - .40/.41 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece cable...
    HKP-19411
    $10.95
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  • New - PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned - HKP-16443 PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned
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    PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned

    PTR

    $159.95
    PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This HK aftermarket trigger housing will accept all SEF style trigger packs. This is made by PTR 91 to exact HK specs. This housings comes clipped and ready for a...
    HKP-16443
    $159.95
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  • New - H&K Extended Selector Lever - Burst 3 Position - HKP-16973 HK Extended Selector Lever - Burst 3 Position
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    HK Extended Selector Lever - Burst 3 Position

    H&K Heckler & Koch

    $94.95
    H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.
    HKP-16973
    $94.95
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  • New - HKP HK MP5K to G3 Brace/Stock Adapter - HKP-21853 HK MP5K to G3 Stock or Brace Adapter
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    HK MP5K to G3 Stock or Brace Adapter

    HKP HK Parts

    $113.95
    HKP HK MP5K to G3 Brace/Stock Adapter The MP5K/G3 adapter enables seamless compatibility between MP5K firearms and G3-style stocks. Designed  for a  secure and sturdy connection, it's an excellent upgrade for those looking to customize or swap...
    HKP-21853
    $113.95
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  • Out Of Stock
    New - B&T Aimpoint ACRO / NANO 30mm QD Mount - HKP-21742 Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO

    Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO

    B&T Brugger & Thomet

    $98.00
    B&T Aimpoint ACRO / NANO 30mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible With: Any firearm featuring...
    HKP-21742
    $98.00
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  • Out Of Stock
    New - JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black - HKP-21242-BL Picatinny 9" Stock with 1913 Folding Mech

    Picatinny 9" Stock with 1913 Folding Mech

    JMAC Customs

    $309.90
    JMAC Universal Picatinny 9" Stock with 1913 Folding Mech Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...
    HKP-21242-BL
    $309.90
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  • New - DTAC MP5K/SP89/SP5K 9mm Modular Handguard - KEYMOD - HKP-17807
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    DTAC MP5K/SP89/SP5K 9mm Modular Handguard - KEYMOD

    DTAC Dakota Tactical

    $159.95
    DTAC MP5K/SP89/SP5K 9mm Modular Handguard - KEYMOD Features: Made in the USA (922r compliant part) KEYMOD accessory compatible 12 ergonomically placed slots for maximum versatility Exclusive extended forward accessory mounting 1-piece main body machined...
    HKP-17807
    $159.95
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  • HK MP5K, AP5-P Vertical Foregrip HK MP5K, AP5-P Vertical Foregrip
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    HK MP5K, AP5-P Vertical Foregrip

    MKE

    $44.95
    MKE Made Vertical Foregrip MKE vertical grip for the HK MP5K models. Compatible With: HK MP5K, SP89 HK SP5K Century AP5-P, AP5-M In-spec clones and custom builds
    HKP-22471
    $44.95
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  • On Sale
    New - HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED - HKP-18273-B HK MP5, MP5K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED
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    HK MP5, MP5K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $9.95
    Was: $49.95
    HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work...
    HKP-18273-B
    Now: $9.95
    Was: $49.95
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    Now: $9.95
    Was: $49.95
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  • New - Holosun HK VP9/MP5 Reflex Sight HE-507K - Green - HKP-21677 Holosun HK VP9/MP5 Reflex Sight HE-507K - Green
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    Holosun HK VP9/MP5 Reflex Sight HE-507K - Green

    Holosun

    $354.95
    Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...
    HKP-21677
    $354.95
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