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 - RCM HK21 Barrel - 17.7" - HKP-21521 HK21, HK11 Barrel - 17.7" -7.62x51 / .308
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    HK21, HK11 Barrel - 17.7" -7.62x51 / .308

    RCM

    $684.95
    RCM HK21 Barrel RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. These barrels are the most cost-effective option to finish your HK21/FMP or HK11 build as the original barrels are rare and command a...
    HKP-21521
    $684.95
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    $684.95
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  • New - HKP HK MP5 .22 Bench Mat - HKP-17280
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    HK MP5 .22 Bench Mat

    HKP HK Parts

    $24.95
    HK MP5 .22 Bench Mat The HK MP5 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK MP5 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your gun from scratches...
    HKP-17280
    $24.95
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  • Out Of Stock
    New - Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green - HKP-21097 HK MP5 Spike Front Sight Gen 2 - Luminescent Green

    HK MP5 Spike Front Sight Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight is engineered to deliver a precise and visible aiming point, enhancing target acquisition and accuracy. This model features a spike-tipped post and a...
    HKP-21097
    $87.95
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  • New - Strike Industries 9MM Dummy Rounds - Set Of 5 - HKP-17383 Dummy Rounds - 9mm - Set Of 5
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    Dummy Rounds - 9mm - Set Of 5

    Strike Industries

    $8.95
    SI 9MM Dummy Rounds - Set Of 5 Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the...
    HKP-17383
    $8.95
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    $8.95
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  • New - H&K MP5, HK94, MP5K & SP89 9mm Magazine Follower - HKP-01050 HK MP5, MP5K, HK94K, SP89 Magazine Follower - 9mm
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    HK MP5, MP5K, HK94K, SP89 Magazine Follower - 9mm

    H&K Heckler & Koch

    $22.95
    HK MP5, MP5K 9mm Magazine Follower Factory chrome follower will work with all HK MP5 9mm curved magazines. This is a new HK German OEM part. 40 Round 30 Round 15 Round 10 Round
    HKP-01050
    $22.95
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    $22.95
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  • Out Of Stock
    New - B&T MP5, MP5K Low Profile Mount, Extended T1/T2 - HKP-16876 HK MP5, MP5K Optic Mount - 138mm - Low Profile - Extended Picatinny

    HK MP5, MP5K Optic Mount - 138mm - Low Profile - Extended Picatinny

    B&T Brugger & Thomet

    $159.95
    B&T MP5, MP5K Low Profile Picatinny Mount  Specifications: Color: Black Height max: 23.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum NATO Accessory Rails: 1 weaver type style rail Part number: BT-21241 Treatment:...
    HKP-16876
    $159.95
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  • New - Magpul M-LOK Rail Section - 3 Slots - HKP-20661 Magpul M-LOK 3 Slot Rail Section
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    Magpul M-LOK 3 Slot Rail Section

    Magpul

    $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...
    HKP-20661
    $10.95
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    $10.95
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  • Out Of Stock
    New - H&K MP5SD Sealing Ring - HKP-00142

    HK MP5SD Sealing Ring

    H&K Heckler & Koch

    $29.95
    Heckler and Koch Sealing Ring for HK MP5SD Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions. This is a typical wear item as they do degrade and...
    HKP-00142
    $29.95
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  • On Sale
    HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US - BLEMISHED HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US - BLEMISHED
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    HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US - BLEMISHED

    USA

    Now: $5.95
    Was: $9.95
    MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED VARYING CONDITION - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART PRICE IS PER MAGAZINE Floorplate - SOLD...
    HKP-17507-B
    Now: $5.95
    Was: $9.95
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    Now: $5.95
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  • Out Of Stock
    New - H&K HK MR556/MR762/416/417 14.5"/16.5" Rear Diopter Sight - HKP-00027 HK416, MR556, HK417, MR762 Rear Diopter Sight

    HK416, MR556, HK417, MR762 Rear Diopter Sight

    H&K Heckler & Koch

    $226.95
    H&K HK MR556/MR762/416/417 Rear Diopter Sight Factory correct rear diopter sight for 416/417 and MR platforms. This sight can be paired with a fixed front sight or folding front sight. Compatible With: HK MR556 HK416 HK MR762 HK417
    HKP-00027
    $226.95
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  • New - H&K HK MR556/MR762/416/417 Buffer Retaining Pin - HKP-02544
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    HK416, MR556, HK417, MR762 Buffer Retaining Pin

    H&K Heckler & Koch

    $15.95
    Heckler and Koch HK MR556, HK 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: HK416, MR556 HK MR762 HK M27
    HKP-02544
    $15.95
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    $15.95
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  • New - H&K 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21643 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - TiN Coated
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - TiN Coated

    H&K Heckler & Koch

    $149.95
    Heckler and Koch 30 Round HK MP5 9mm Magazine - TiN Coated/CRN Coated Get your hands on some TiN coated factory Heckler & Koch magazines.  Each magazine starts out as a fresh 9mm, 30 round mag before being professionally dsiassembled, TiN...
    HKP-21643-M
    $149.95
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