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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  • HK MP5, AP5 Firing Pin HK MP5, AP5 Firing Pin
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    HK MP5, AP5 Firing Pin

    MKE

    $14.95
    MKE HK MP5/AP5 Firing Pin - 9mm MKE firing pin for HK MP5 platforms. Compatible With: HK MP5/SP5 Century Arms AP5/AP5P Zenith ZF-5/ZF-5K PTR 9CT/9KT
    HKP-22243
    $14.95
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    $14.95
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  • On Sale
    New - HKP HK33 11" RH Cocking Tube - HKP-18692 HK33 Cocking Tube - 11" - Right Hand
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    HK33 Cocking Tube - 11" - Right Hand

    HKP HK Parts

    Now: $74.95
    Was: $99.95
    HKP HK33 11" Right Hand Cocking Tube This is the one and only right handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".
    HKP-18692
    Now: $74.95
    Was: $99.95
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    Now: $74.95
    Was: $99.95
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  • New - H&K HK MR762/417 Castle Receiver Extension Nut For Buffer Tube - Black - HKP-16768 HK417, MR762 Buffer Tube Castle Nut
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    HK417, MR762 Buffer Tube Castle Nut

    H&K Heckler & Koch

    $44.95
    Heckler and Koch Castle Nut for Receiver Extension for Buffer Tube for HK417 and MR762 New HK German manufacture and the factory correct offering with the proper installation screws and staking guides. Compatible With: HK417, MR762
    HKP-16768
    $44.95
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  • New - HK417, MR762 Magazine Catch Retainer Ring - HKP-16521 HK417, MR762 Mag Catch Retainer Ring
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    HK417, MR762 Mag Catch Retainer Ring

    H&K Heckler & Koch

    $10.95
    Heckler and Koch Magazine Catch Retainer Ring for HK417 and HK MR762   Compatible With: H 417, MR762
    HKP-16521
    $10.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Magazine Clamp - HKP-00485

    HK33, HK53, HK93 Magazine Clamp

    H&K Heckler & Koch

    $107.95
    HK 93, HK 33 & HK 53 Magazine Clamp German HK dual mag clamp for all HK 93/33/53 magazines. Holds two magazines together for easy access and ease of use.  Compatible With: HK93 HK33 HK53 Clones and other custom builds
    HKP-00485
    $107.95
    Out Of Stock
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  • New - H&K HK MR556 A4 Gas Block - Complete - HKP-21928 HK MR556 A4 Gas Block - Complete
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    HK MR556 A4 Gas Block - Complete

    H&K Heckler & Koch

    $237.95
    H&K HK MR556 A4 Gas Block - Complete Factory HK MR556 A4 adjustable gas block ideal for switching between suppressed and unsuppressed firing.   Compatible With: HK MR556 A4 Nefarious Arms A5 barrels NOT compatible with MR556 A1 without...
    HKP-21928
    $237.95
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    $237.95
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  • New - Nefarious Arms HK 416 Gas Block Assembly Tool - HKP-21273 HK416 Gas Block Assembly Tool
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    HK416 Gas Block Assembly Tool

    Nefarious Arms

    $94.95
    Nefarious Arms HK 416 Gas Block Assembly Tool A Nefarious Arms creation for those that like to service or replace their 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply aligning the two...
    HKP-21273
    $94.95
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    $94.95
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  • New - Magpul HK G3 / HK 91 PRS Gen 3 Stock - HKP-21172-M HK91, G3 Stock - PRS Gen 3
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    HK91, G3 Stock - PRS Gen 3

    Magpul

    $429.95
    Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options  The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments...
    HKP-21172-M
    $429.95
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    $429.95
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  • Used - H&K HK G3 & HK91 Buffer Spring - Surplus - HKP-20319 HK91, G3 Buffer Spring - Surplus
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    HK91, G3 Buffer Spring - Surplus

    H&K Heckler & Koch

    $4.95
    HK G3, 91 Buffer Spring - Surplus This is the factory buffer spring for the rear stock buffer found on the G3, HK91, 93 A2 style stocks. This is a used excellent shape spring. A great replacement to have on hand for your worn out buffer spring...
    HKP-20319
    $4.95
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    $4.95
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  • New - Streamlight TLR-4 Tactical Light & Laser Combo - Red - HKP-08538 Streamlight TLR-4 Tactical Light and Laser Combo - Red
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    Streamlight TLR-4 Tactical Light and Laser Combo - Red

    Streamlight

    $209.95
    Streamlight TLR-4 Tactical Light & Laser Combo - Red Features: Features C4 LED technology and a 640-660nm red laser 5300-candela peak beam intensity; 170 lumens Runs 1.5 hours to the 10% output level (LED only or LED and laser); 11 hours...
    HKP-08538
    $209.95
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    $209.95
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  • Out Of Stock
    New - HK MR556/416 10.5" Super Modular Rail System - Black - HKP-16459 HK416, MR556 10.5" Super Modular Rail System

    HK416, MR556 10.5" Super Modular Rail System

    Geissele

    $472.00
    Geissele HK416, MR556 10.5" Modular Rail 9.7 " Extended free float rail for use with all HK 416 & MR 556 barrels. Please note: On the HK416 models the sling attachment point on the gas block will need to be removed to allow the handguard to slide on...
    HKP-16459
    $472.00
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    $472.00
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  • New - H&K HK MR556/MR762/416/417 Disconnector Spring - Short - HKP-02675
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    HK416, MR556, HK417, MR762 Disconnector Spring - Short

    H&K Heckler & Koch

    $6.99
    Heckler and Koch HK416, MR556, HK417, MR762 Disconnector Spring - Short This is the shorter spring of the 2 found in the trigger assembly. Compatible With: HK416, MR556 HK417, MR762
    HKP-02675
    $6.99
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    $6.99
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