HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch - HKP-01897

    HK UMP, USC Bolt Catch

    H&K Heckler & Koch

    $36.95
    HK UMP & USC Bolt Catch  New HK German lower. Compatible With: HK UMP HK USC
    HKP-01897
    $36.95
    Out Of Stock
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    $36.95
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  • New - B&T HK 93/33 (5.56/.223) Tri-Rail Handguard - HKP-16868 HK33, HK93 Tri-Rail Handguard
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    HK33, HK93 Tri-Rail Handguard

    B&T Brugger & Thomet

    $369.95
    B&T Handguard 3x NAR for HK 93, 33 with Detachable Side Rails Specifications: Color: Black Height max: 48.8 mm Length max: 243.5 mm Length of right rail: 97 mm Length of left rail: 97 mm Length of bottom rail: 243.5 mm Material: Aluminum NATO...
    HKP-16868
    $369.95
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    $369.95
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  • New - HKP/H&K MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame - HKP-16490 HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style
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    HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style

    HKP HK Parts

    $189.95
    HKP HK Parts and Heckler and Koch HK MP5K, SP89 9mm SEF Metal Style Grip Frame Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a...
    HKP-16490
    $189.95
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  • Used - H&K HK 416/MR556 Enhanced Buffer Tube-Commercial - HKP-15424 H&K HK 416/MR556 Enhanced Buffer Tube-Commercial H&K Heckler & Koch HKP-15424
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    HK416, MR556 Buffer Tube - Enhanced - Commercial

    H&K Heckler & Koch

    $249.95
    HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial: Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube. Each Commercial buffer tube has built in drainage...
    HKP-15424
    $249.95
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  • New - H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer - HKP-22183-M Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
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    Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer

    HKP HK Parts / Heckler & Koch

    $199.95
    H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available...
    HKP-22183-M
    $199.95
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  • New - HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH - HKP-22084 HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH
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    HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory spec...
    HKP-22084
    $29.95
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  • On Sale
    New - Case of 55 Turkish Contract 30 Round MP5 Magazine - HKP-21889 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Turkish Contract - Seconds - Case of 55
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Turkish Contract - Seconds - Case of 55

    Now: $1,096.95
    Was: $1,482.25
    55 Count Case of Turkish Contract 30 Round MP5 Magazine These Turkish military contract 30 round MP5 magazines are leftover "seconds" that HKP recently imported directly from Turkey.  The magazines were manufactured by a Turkish contractor similar...
    HKP-21889
    Now: $1,096.95
    Was: $1,482.25
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    Now: $1,096.95
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  • On Sale
    New - HKP HK MP7 Dual Magazine Clamp - HKP-21597-M HK MP7 Dual Magazine Clamp
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    HK MP7 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world.  The clamp works with any capacity MP7 magazine. Compatible With: HK MP7
    HKP-21597-M
    Now: $39.96
    Was: $49.95
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  • Out Of Stock
    New - DTAC HK MP5SD Front End Kit - HKP-21318 New - DTAC HK MP5SD Front End Kit - HKP-21318

    HK MP5 to MP5SD Front End Conversion Kit

    DTAC Dakota Tactical

    $1,299.95
    Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further.  Our kit provides all necessary components (aside from suppressor) to do so. With a DTAC Cage and SD guard...
    HKP-21318
    $1,299.95
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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 UMP & HK USC Extended Top Rail For Optics - HKP-21048 HK UMP, USC Top Rail - Extended - Optics
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    HK UMP, USC Top Rail - Extended - Optics

    HKP HK Parts

    $59.95
    HKP HK UMP & HK USC Extended Top Rail For Optics Nearly an 1" longer than the standard length top rail for mounting any Picatinny mount optic.  Made in the USA from 6061 aluminum and hard coat anodize in a beutiful black finish. 
    HKP-21048
    $59.95
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  • Used - G3 Incomplete Backplate - Threaded - HKP-20860 HK91, G3 Backplate, Incomplete
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    HK91, G3 Backplate, Incomplete

    H&K Heckler & Koch

    $29.95
    G3 Incomplete Backplate Each backplate is refinished and parkerized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw. With a quick and easy removable recoil rod stop you will...
    HKP-20860
    $29.95
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    $29.95
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