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 HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - FDE - HKP-18500 H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - FDE H&K Heckler & Koch HKP-18500
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    HK416, MR556, HK417, MR762 Rear Sight - Flip Up 2mm - RAL8000

    H&K Heckler & Koch

    $446.95
    Heckler and Koch HK416, MR556 Flip Up 2mm Rear Sight - RAL8000 Factory HK quick change, flip up rear sight in RAL 8K with a 2mm aperture. Attaches directly to any standard Picatinny rail using a self-contained quick-attach push button system. Designed...
    HKP-18500
    $446.95
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    $446.95
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  • On Sale
    HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED
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    HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED

    H&K Heckler & Koch

    Now: $24.95
    Was: $37.95
    Heckler and Koch HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This part counts as 1 US-made part for 922r...
    HKP-22418-B
    Now: $24.95
    Was: $37.95
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    Now: $24.95
    Was: $37.95
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  • Out Of Stock
    New - H&K HK MR556 A4 13.4" Handguard - HKP-21935 HK MR556 A4 Handguard - 13.4"

    HK MR556 A4 Handguard - 13.4"

    H&K Heckler & Koch

    $299.99
    H&K HK MR556 A4 13.4" Handguard This handguard is expertly engineered for precision and adaptability, featuring a robust Picatinny rail at the 12 o'clock position that guarantees seamless mounting of optics and accessories. With M-LOK slots...
    HKP-21935
    $299.99
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    $299.99
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  • New - HKP UMP/USC Extended Handguard - HKP-21679 HK UMP, USC Extended Handguard
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    HK UMP, USC Extended Handguard

    HKP HK Parts

    $249.95
    HKP UMP/USC Extended Handguard - Black Cerakote The HK Parts UMP extended handguard is the ultimate choice for your UMP or USC. M-LOK attachment points and a robust picatinny rail on the extended section provide accessory mounting points for any loud-out...
    HKP-21679
    $249.95
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    $249.95
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  • New - Omega HK UMP Cocking Handle Assembly - HKP-21271
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    HK UMP Cocking Handle - Assembly

    OMEGA

    $34.95
    Omega USC/UMP Cocking Handle Assembly   Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...
    HKP-21271
    $34.95
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    $34.95
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  • New - HKP 10 Round MP5 .22LR Magazine Spring - HKP-20297
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    HK MP5 Magazine Spring - .22LR - 10 Round

    HKP HK Parts

    $3.95
    HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...
    HKP-20297
    $3.95
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    $3.95
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  • Out Of Stock
    New - DTAC HK93/33/G3K M-LOK Modular Handguard - HKP-20015 HK33, HK93, G3K M-LOK Modular Handguard

    HK33, HK93, G3K M-LOK Modular Handguard

    DTAC Dakota Tactical

    $189.95
    DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this one-piece main body provides a rigid mounting platform...
    HKP-20015
    $189.95
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    $189.95
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  • Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - Used - HKP-19887 HK91, G3 Magazine - .308 - 10 Round - Used
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    HK91, G3 Magazine - .308 - 10 Round - Used

    H&K Heckler & Koch

    $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...
    HKP-19887
    $64.95
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    $64.95
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  • New - HKP, H&K HK MP5 German Folding Stock w/ HK Parts Adapter - HKP-19453 HK MP5 Folding Stock with HK Parts Adapter
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    HK MP5 Folding Stock with HK Parts Adapter

    HKP HK Parts / Heckler & Koch

    $269.95
    German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...
    HKP-19453
    $269.95
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    $269.95
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  • New - H&K HK G36/SL8/MR762/417 Bolt Head Ejector - HKP-01868
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    HK G36, SL8, HK417, MR762 Bolt Head Ejector

    H&K Heckler & Koch

    $19.95
    H&K HK G36/SL8/MR762/417 Bolt Head Ejector   Compatible With: HK MR762 HK 417 HK G36 HK SL8  
    HKP-01868
    $19.95
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    $19.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Right Side (0,1) - HKP-01874
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    HK UMP, USC, G36, SL8 Safety - Right Side 0,1

    H&K Heckler & Koch

    $9.95
    Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for H&K SL8, G36, and USC rifle. The lever...
    HKP-01874
    $9.95
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    $9.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00513 HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned
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    HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned

    H&K Heckler & Koch

    $179.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...
    HKP-00513
    $179.95
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    $179.95
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