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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  • On Sale
    New - MKE AP5, MP5 Front Sight Tower - HKP-22220 HK MP5, AP5 Front Sight Tower
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    HK MP5, AP5 Front Sight Tower

    MKE

    Now: $37.46
    Was: $49.95
    MKE AP5, MP5 Front Sight Tower The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms AP5K/M Clones with...
    HKP-22220
    Now: $37.46
    Was: $49.95
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  • Used - H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - HKP-22212 HK G36 Magazine - 30 Round - LEO Marked - USED
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    HK G36 Magazine - 30 Round - LEO Marked - USED

    H&K Heckler & Koch

    $195.99
    H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED CONDITION VARIES BY UNIT - SOLD INDIVIDUALLY HK German 30-round magazine, LEO marked, designed to perfectly fit all G36, G36K, G36C variants, and converted SL8's with the G36 magwell...
    HKP-22212
    $195.99
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  • New - Nefarious Arms HK MR556 A3 & 416 A5 Barrel Nut - HKP-22082 HK416 A5, MR556 A3 Barrel Nut
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    HK416 A5, MR556 A3 Barrel Nut

    Nefarious Arms

    $39.95
    Nefarious Arms HK MR556 A3/416 A5 Barrel Nut Whether replacing a barrel nut or sourcing the best parts for your build, the Nefarious MR556/416 barrel nut is an excellent option.  Meticulously crafted in the US to the highest quality standards...
    HKP-22082
    $39.95
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  • New - B&T HK MP5K Adapter for Folding Stock - HKP-22081 HK MP5K Adapter - Folding Stock
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    HK MP5K Adapter - Folding Stock

    B&T Brugger & Thomet

    $160.00
    B&T HK MP5K Adapter for Folding Stock Upgrade your MP5K platform with precision Swiss engineering. The B&T (Brügger & Thomet) HK MP5K Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for...
    HKP-22081
    $160.00
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    $160.00
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  • On Sale
    New - Strike Industries HK MP5 .22LR Dual Folding Stabilizer w/ Adapter - HKP-21770-M HK MP5 Dual Folding Stabilizer with Adapter - .22LR
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    HK MP5 Dual Folding Stabilizer with Adapter - .22LR

    HKP HK Parts / Strike Industries

    $249.95 - $269.95
    Strike Industries HK MP5 .22LR Dual Folding Stabilizer with Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding...
    HKP-21770-M
    $249.95 - $269.95
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  • New - MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter - HKP-21515-M HK MP5 Alpha Folding Stock With Direct Fit Adapter - .22 LR
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    HK MP5 Alpha Folding Stock With Direct Fit Adapter - .22 LR

    MI Midwest Industries

    $419.95
    MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style...
    HKP-21515-M
    $419.95
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    $419.95
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  • New - RCM HK MP5 10mm Barrel - Threaded 9/16x24 - HKP-21158 HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug
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    HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    RCM

    $279.95
    RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...
    HKP-21158
    $279.95
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    $279.95
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  • New - HKP HK G36K Forearm - FDE - HKP-19301 HK G36K Handguard - Heat Shield and Handstop - FDE
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    HK G36K Handguard - Heat Shield and Handstop - FDE

    HKP HK Parts

    $109.95
    HKP HK G36K Forearm With Hand Stop & Heat Shield HK G36K-length forearm, latest production style, with an integrated heat shield. This handguard includes a built-in hand stop, sling attachment points, and molded mounting locations for adding bottom,...
    HKP-19301
    $109.95
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  • New - HK G36C Incomplete Gas Piston Rod - Black - HKP-17009
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    HK G36C Piston Rod - Incomplete

    H&K Heckler & Koch

    $49.95
    Heckler and Koch Incomplete Black Gas Piston Rod for HK G36C A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part. Compatible with: G36C
    HKP-17009
    $49.95
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    $49.95
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  • Out Of Stock
    New - Trijicon RMR/SRO 45° Rail Offset Adapter - HKP-20336 RMR, SRO Adapter - 45° - Rail Offset

    RMR, SRO Adapter - 45° - Rail Offset

    Trijicon

    $91.45
    Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...
    HKP-20336
    $91.45
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    $91.45
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  • New - H&K HK MR762 Firing Pin Retaining Pin - HKP-16612
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    HK417, MR762 Firing Pin Retaining Pin

    H&K Heckler & Koch

    $19.95
    Heckler and Koch MR762 Firing Pin Retaining Pin This firing pin retaining pin is made from a durable, black finished, steel and is a factory original Heckler and Koch component. This retaining pin is made for the HK417 and HK MR762 model of rifles. This...
    HKP-16612
    $19.95
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  • New - H&K HK MR762/417 Barrel Nut - HKP-16597 HK417, MR762 Barrel Nut
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    HK417, MR762 Barrel Nut

    H&K Heckler & Koch

    $99.95
    HK MR762 Barrel Nut Or Socket Barrel - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced./417 Compatible With: HK MR762/417
    HKP-16597
    $99.95
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    $99.95
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