MP5K / SP5K Receivers / Uppers

MP5K / SP5K Receivers / Uppers

Build a solid foundation for your firearm with MP5K receivers and SP5K uppers from HKP. Our HK Parts include precision-machined upper receivers to ensure accuracy and reliability. Complete your build with the best MP5K and SP5K receivers available.

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  • New - DTAC 90 Series Semi Auto Shelf Weldment - Billeted - HKP-18072 MP5, G3, HK53 Semi Auto Shelf Weldment - Billeted
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    MP5, G3, HK53 Semi Auto Shelf Weldment - Billeted

    DTAC Dakota Tactical

    $34.95
    DTAC Spec Billeted Semi Auto Shelf For C/P'ed Trigger Group -Dakota Tactical The needed receiver shelf that is welded to the magwell of the receiver to allow the use of clipped & pinned trigger housings. These are as made to DTAC's custom specs...
    HKP-18072
    $34.95
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  • New - Cartridge Case Deflector, Shell Deflector - MP5, MP5K - Billet - HKP-17574
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    HK MP5, MP5K Cartridge Case Deflector, Shell Deflector - Billet

    HKP HK Parts

    $19.95
    Cartridge Case Deflector, Shell Deflector - MP5, MP5K - Billet New US made case deflector for receiver flat or receiver for all MP5, HK94, MP5K, & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver...
    HKP-17574
    $19.95
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  • New - HKP MP5, MP5K Scope Tab - Weldment - HKP-17503
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    HK MP5, MP5K Scope Tab - Weldment

    HKP HK Parts

    $9.95
    MP5, MP5K Sight Tab - Weldment HK MP5, MP5K 17-4 Stainless H900 rear sight tab. The most correct MP5, MP5K rear sight base available. If you want your build to look as factory correct as possible then this sight base is an absolute must. Compatible...
    HKP-17503
    $9.95
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  • Out Of Stock
    New - H&K MP5 40/10 Case Deflector - HKP-02170 HK SP5 Case Deflector - 9mm, .40 S&W / 10mm

    HK SP5 Case Deflector - 9mm, .40 S&W / 10mm

    H&K Heckler & Koch

    $49.95
    SP5 Case Deflector - 9/10/40   Factory HK case deflector for the SP5 platform chambered in 9mm, 10mm, and .40 S&W.   Compatible With: H&K SP5 9/10/40  
    HKP-02170
    $49.95
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  • New - DTAC Picatinny Rail For HK Receivers - 15 Slot - HKP-17819 Picatinny Rail for HK Receivers - 15 Slot
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    Picatinny Rail for HK Receivers - 15 Slot

    DTAC Dakota Tactical

    $74.95
    Dakota Tactical Picatinny Rail To Weld To The Receiver Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible...
    HKP-17819
    $74.95
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  • New - HK MP5K, SP5K Rear Push Pin Weldment Set - HKP-19632 HK MP5K, SP5K Rear Push Pin Weldment Set
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    HK MP5K, SP5K Rear Push Pin Weldment Set

    USA

    $14.95
    HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...
    HKP-19632
    $14.95
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  • New - HKP MP5K 9mm Trunnion - HKP-17964 HK MP5K Trunnion - 9mm
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    HK MP5K Trunnion - 9mm

    HKP HK Parts

    $57.95
    HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...
    HKP-17964
    $57.95
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  • New - HKP MP5, MP5K Rear Sight Base - Billeted - HKP-18087
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    HK MP5, MP5K Rear Sight Base - Billeted

    HKP HK Parts

    $17.95
    Billeted MP5, MP5K Rear Sight Base - Weldment All steel HK MP5, MP5K billeted rear sight base. The most correct MP5, MP5K rear sight base available. The only billeted factory correct sight base with the factory HK German side axis grooves. If you want...
    HKP-18087
    $17.95
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  • New - Choate MP5K/SP89 9mm Steel End Cap W/ Buffer - HKP-00395 HK MP5K, SP89 End Cap with Buffer  - 9mm - Steel
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    HK MP5K, SP89 End Cap with Buffer - 9mm - Steel

    Choate

    $45.95
    MP5K & SP-89 Steel End Cap With Replaceable Rubber Buffer Fits perfectly on all HK MP5K-type builds or projects. All metal construction, so you know it will last. Each unit comes with a sling loop for use with multiple sling types. Compatible...
    HKP-00395
    $45.95
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  • New - DTAC Picatinny Rail For HK Receivers - 13 Slot - HKP-17818 Picatinny Rail for HK Receivers - 5.3" - Slot
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    Picatinny Rail for HK Receivers - 5.3" - Slot

    DTAC Dakota Tactical

    $74.95
    DTAC Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...
    HKP-17818
    $74.95
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  • New - MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German - HKP-00118 HK MP5, MP5K Contact Piece for Paddle Mag Release  - 9mm
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    HK MP5, MP5K Contact Piece for Paddle Mag Release - 9mm

    H&K Heckler & Koch

    $59.95
    MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correct, brand-new, latest production German HK 9mm contact piece. Compatible With: MP5, SP5, 94, SP5 MP5K, SP5K,...
    HKP-00118
    $59.95
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  • Out Of Stock
    HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284 HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284

    HK MP5 Barrel Retaining Pin - 5.015mm

    H&K Heckler & Koch

    $14.95
    H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel.  Compatible With:  HK MP5, SP5, MP5K,...
    HKP-22284
    $14.95
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    $14.95
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