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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  • New - B&T Unigrip QD with Bipod - HKP-21387-M B&T Unigrip QD with Bipod
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    B&T Unigrip QD with Bipod

    B&T Brugger & Thomet

    $198.95
    B&T Unigrip QD with Bipod This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Polymer/alloy Heat deflection...
    HKP-21387-M
    $198.95
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  • New - JMAC Universal Picatinny 8" Stock with 1913 Folding Mech - HKP-21241-M Picatinny  8" Stock with 1913 Folding Mech
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    Picatinny 8" Stock with 1913 Folding Mech

    JMAC Customs

    $304.90 - $309.90
    JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...
    HKP-21241-M
    $304.90 - $309.90
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  • New - HKP HK MP5K/SP89 9mm Flat Receiver - HKP-20733 HK MP5K, SP89 Flat Receiver - 9mm
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    HK MP5K, SP89 Flat Receiver - 9mm

    HKP HK Parts

    $199.95
    MP5K, SP89 Receiver Flat - 9mm New MP5K receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier...
    HKP-20733
    $199.95
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  • New - Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger - Semi shelf - HKP-20484 HK MP5K LS5 Trigger Group - Flat Trigger - Semi shelf
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    HK MP5K LS5 Trigger Group - Flat Trigger - Semi shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    HKP-20484
    $549.95
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  • Out Of Stock
    New - JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech - HKP-20148 AB-8 and Stock or Brace Adapter - 1913 Folding Mech

    AB-8 and Stock or Brace Adapter - 1913 Folding Mech

    JMAC Customs

    $269.95
    JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...
    HKP-20148
    $269.95
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    $269.95
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  • New - HKP 9mm Titanium Flash Hider - 3-Lug - HKP-18853 HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm
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    HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm

    HKP HK Parts

    $134.95
    HKP/H&K MP5/SP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug...
    HKP-18853
    $134.95
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  • HK MP5, AP5 Magazine Spring - 30 Round
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    HK MP5, AP5 Magazine Spring - 30 Round

    MKE

    $5.95
    MKE 30 round magazine spring for HK MP5- Turkey The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines.  Compatible With: MP5, MP5K SP5, SP5K AP5  
    HKP-22473
    $5.95
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  • HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28 HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28
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    HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28

    MFI

    $138.95
    HK MP5, SP5 KAC Style Faux Suppressor - 1/2x28 The MFI faux KAC-Navy suppressor is designed to thread onto any 1/2x28 barrels and fully enclose the 3-lugs, ensuring an authentic looking fit and finish. Inspired from the coveted KAC MP5N suppressor, this...
    HKP-22363
    $138.95
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  • Out Of Stock
    New - Aimpoint ACRO / NANO 22mm Picatinny QD Mount - HKP-21728 Picatinny Optic Mount - Low Profile - ACRO, NANO

    Picatinny Optic Mount - Low Profile - ACRO, NANO

    B&T Brugger & Thomet

    $115.00
    B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low 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...
    HKP-21728
    $115.00
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    $115.00
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  • Out Of Stock
    B&T 1/2x28 Direct Thread to Hub Adapter 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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  • New - SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - HKP-19930 HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    $294.95
    SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket...
    HKP-19930
    $294.95
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  • New - Ergo M-LOK QD Sling Mount - HKP-17875
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    M-LOK QD Sling Mount

    Ergo

    $24.95
    Ergo M-LOK QD Sling Mount   Compatible with any firearm featuring M-LOK attachment points.
    HKP-17875
    $24.95
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    $24.95
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