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
    Used - H&K HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Hand Picked - HKP-20071
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    HK91, G3 Parts Kit- Hand Picked - PTR Barrel and Receiver Flat

    H&K Heckler & Koch

    Now: $791.96
    Was: $879.95
    G3, 91 Hand Picked Parts Kit - PTR Barrel and Receiver Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR 18" GI barrel - 5/8 x...
    Now: $791.96
    Was: $879.95
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    Was: $879.95
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  • On Sale
    New - HKP HK MP5K Tactical Tri-Rail - HKP-16765-M HK MP5K Tactical Tri-Rail
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    HK MP5K Tactical Tri-Rail

    HKP HK Parts

    Now: $62.97
    Was: $89.95
    HKP Tactical Tri-Rail - Black - MP5K  Our new modular tactical forearm comes with 3 rails on the left, right and bottom. That are removable and adjustable for you own taste and mission requirements. Made from aircraft grade aluminum and steel...
    Now: $62.97
    Was: $89.95
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    Was: $89.95
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  • On Sale
    New - HKP HK 91 Polymer To Metal Trigger Group Conversion Kit - HKP-17362 HK91 Polymer To Metal Trigger Group Conversion Kit
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    HK91 Polymer To Metal Trigger Group Conversion Kit

    HKP HK Parts

    Now: $180.76
    Was: $225.95
    HK 91/PTR 91 Polymer To Metal Trigger Group Conversion Kit. This is everything you will need to convert the lower trigger group on your HK 91 from polymer to metal housing with contoured grip. Just use your existing trigger pack to complete the...
    Now: $180.76
    Was: $225.95
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    Was: $225.95
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  • On Sale
    New - H&K HK 416/MR556 Mil-Spec Factory German E2 Rear Stock - Black - HKP-01913 HK416, MR556 Stock - E2 - Mil-Spec
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    HK416, MR556 Stock - E2 - Mil-Spec

    H&K Heckler & Koch

    Now: $179.95
    Was: $199.95
    H&K HK416, MR556 Mil-Spec Factory German E2 Stock The HKE2 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed. Features: Ergonomic cheek weld for improved firing...
    Now: $179.95
    Was: $199.95
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    Was: $199.95
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  • On Sale
    New - H&K 53 Factory Recoil Spring - HKP-02228
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    HK53 Factory Recoil Spring

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    HK German HK53 Replacement Recoil Spring This rare spring is a must-have spare for your HK53 firearm.
    Now: $13.46
    Was: $14.95
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    Was: $14.95
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  • Out Of Stock
    On Sale
    New - Zenith 30 Round HK MP5 Bundesadler Magazine - HKP-20913 HK MP5 Magazine - Bundesadler  - 30 Round

    HK MP5 Magazine - Bundesadler - 30 Round

    Zenith

    Now: $39.56
    Was: $43.95
    Zenith 30 Round HK MP5 Bundesadler Magazine The bundesadler laser-etched into a Zenith magazine. Limited run so get them while you can! Application of oil is recommended depending on climate. Features: Durable electro-plated black finish for exceptional...
    Now: $39.56
    Was: $43.95
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    Was: $43.95
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  • On Sale
    New - HKP 9mm US Made Trigger Pack - 4 U.S. 922 Parts - HKP-17878 HKP 9mm US Made Trigger Pack - 4 U.S. 922 Parts
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    HKP 9mm US Made Trigger Pack - 4 U.S. 922 Parts

    HKP HK Parts

    Now: $215.96
    Was: $269.95
    Trigger Pack For MP5, 94 Variants Such as Zenith, POF- 4 US 922r Compliant Parts HK MP5/94 9mm Semi Auto Trigger Pack complete. Each Ttigger group incorporates the following US made compliant parts completely assembled & ready to drop in. The...
    Now: $215.96
    Was: $269.95
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    Now: $215.96
    Was: $269.95
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  • On Sale
    New - Magpul M-LOK Rail Section - 3 Slots - HKP-20661 M-LOK Rail Section - 3 Slots
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    M-LOK Rail Section - 3 Slots

    Magpul

    Now: $9.86
    Was: $10.95
    Magpul M-LOK Rail Section - 3 Slots Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc...
    Now: $9.86
    Was: $10.95
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    Now: $9.86
    Was: $10.95
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  • On Sale
    New - H&K HK MR556/MR762/416/417 Buffer Retaining Pin - HKP-02544
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    HK416, HK417, MR556, MR762 Buffer Retaining Pin

    H&K Heckler & Koch

    Now: $14.36
    Was: $15.95
    H&K HK MR556/MR762/416/417 Buffer Retaining Pin New HK German proprietary HK designed buffer pin unique to the HK 416 and MR 556 series.  Compatible With: HK MR556 HK 416 HK MR762 HK M27
    Now: $14.36
    Was: $15.95
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    Was: $15.95
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  • On Sale
    New - AIM HK 91/G3 (7.62x51/.308) Extended Rifle Length Handguard - M-LOK - HKP-18173 HK91, G3 Extended Rifle Length Handguard - M-LOK
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    HK91, G3 Extended Rifle Length Handguard - M-LOK

    AIM

    Now: $116.95
    Was: $129.95
    HK G3 EXTENDED RIFLE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...
    Now: $116.95
    Was: $129.95
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    Now: $116.95
    Was: $129.95
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  • On Sale
    New - HKP HK MP5 30 Round Enhanced Magazine Spring - HKP-22157
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    HK MP5 Magazine Spring - 30 Round - Enhanced

    HKP HK Parts

    Now: $7.16
    Was: $8.95
    HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MP5/K
    Now: $7.16
    Was: $8.95
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    Was: $8.95
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  • On Sale
    New - HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1 - HKP-01014 HK91, G3, HK93, HK33, PTR Buffer - Enhanced
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    HK91, G3, HK93, HK33, PTR Buffer - Enhanced

    HKP HK Parts

    Now: $103.96
    Was: $129.95
    HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.
    Now: $103.96
    Was: $129.95
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