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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  • Rail Panel Cover -  M-LOK - 6 Slot Rail Panel Cover -  M-LOK - 6 Slot
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    Rail Panel Cover - M-LOK - 6 Slot

    JMK

    $28.95
    JMK Rail Panel Cover - M-LOK - 6 Slot JMK M-LOK rail panels are compatible with platforms featuring 6 M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22404-M
    $28.95
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    $28.95
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  • HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376 HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376
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    HK G3 Stock Cut Off Section - OD Green

    FMP HK CONTRACT

    $2.45
    HK G3 Stock Cut Off Section - OD Green De-milled G3 stock section. Manufactured by FMP on HK tooling. Compatible With: HK G3, HK91 In-spec. clones and custom builds
    HKP-22376
    $2.45
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    $2.45
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  • On Sale
    Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED FA Franklin Armory HKP-19730-B Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED FA Franklin Armory HKP-19730-B
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    AK Binary Trigger - Curved - BFSIII - 9mm - BLEMISHED

    FA Franklin Armory

    Now: $385.99
    Was: $534.95
    Franklin Armory BFSIII AK-C1 - 9mm - Curved Trigger - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The Binary...
    HKP-19730-B
    Now: $385.99
    Was: $534.95
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    Now: $385.99
    Was: $534.95
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  • HK51 MOE PR Stock Magpul HKP-22338 AP51 MOE PR Stock - PDW
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    AP51 MOE PR Stock - PDW

    Magpul

    $249.95
    Magpul Century AP51 PDW MOE PR Stock Designed for the Century AP51 PDW platform, this adapter ensures a precise fit and solid lockup for stock installation. Built for durability and proper alignment, it maintains correct stock geometry and function...
    HKP-22346
    $249.95
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    $249.95
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  • HK416, MR556 Handguard - 12.5" - M-LOK HK416, MR556 Handguard - 12.5" - M-LOK H&K Heckler & Koch HKP-22342
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    HK416, MR556 Handguard - 12.5" - M-LOK

    H&K Heckler & Koch

    $189.95
    H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard Manufactured by HK from aircraft grade aluminum, this M-LOK handguard is designed for the Heckler & Koch MR556 & HK 416 rifles. This handguard showcases a 12.5" length and includes a...
    HKP-99321
    $189.95
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    $189.95
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  • On Sale
    New - MKE -4 Roller for Bolt Head 7.96mm - Under-sized - HKP-22238 MKE -4 Roller for Bolt Head 7.96mm - Under-sized MKE HKP-22238
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    HK 90 Series Locking Roller for Bolt Head - 7.96mm

    MKE

    Now: $22.95
    Was: $28.95
    MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    HKP-22238
    Now: $22.95
    Was: $28.95
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    Now: $22.95
    Was: $28.95
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  • Out Of Stock
    On Sale
    HK MP5, HK94, SP89, SP5K Curved Magazine - 15 Round - 9mm - BLEMISHED HK MP5, HK94, SP89, SP5K Curved Magazine - 15 Round - 9mm - BLEMISHED

    HK MP5, HK94, SP89, SP5K Curved Magazine - 15 Round - 9mm - BLEMISHED

    H&K Heckler & Koch

    Now: $68.95
    Was: $100.00
    H&K 15 Round MP5/SP5/MP5K/SP5K 9mm Curved Magazine - BLEMISHED ONLY 1 UNIT AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Brand new factory fresh...
    HKP-02409-B
    Now: $68.95
    Was: $100.00
    Out Of Stock
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    Now: $68.95
    Was: $100.00
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  • On Sale
    Used - H&K UMP/USC 3 Position (0,1,F) Navy Lower Housing - (.40 S&W/.45 ACP/9mm) - USED - HKP-99292 HK UMP, USC Housing - Lower - Navy Grip - 40 S&W / .45 ACP / 9mm - USED
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    HK UMP, USC Housing - Lower - Navy Grip - 40 S&W / .45 ACP / 9mm - USED

    H&K Heckler & Koch

    Now: $499.95
    Was: $649.95
    H&K Heckler & Koch's HK UMP and HK USC Housing - Lower - Navy Grip - 40 S&W / .45 ACP / 9mm - USED  Priced for ONE Navy Lower Housing ONLY - Each unit Sold INDIVIDUALLY ONLY 4 UNITS AVAILABLE - Condition Varies by Unit Genuine H&K...
    HKP-99292
    Now: $499.95
    Was: $649.95
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    Now: $499.95
    Was: $649.95
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  • On Sale
    HK MP5 Trigger Housing - 2 Position - Push Pin - USED HK MP5 Trigger Housing - 2 Position - Push Pin - USED
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    HK MP5 Trigger Housing - 2 Position - Push Pin - USED

    USA

    Now: $64.95
    Was: $99.95
    US-Made HK MP5 2 Position Trigger Housing - Push Pin - USED Priced for ONE Trigger Housing - Condition Varies by Unit - Sold Individually Used US-made 2-position housing for the MP5. Compatible With: HK MP5 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR...
    HKP-99260
    Now: $64.95
    Was: $99.95
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    Now: $64.95
    Was: $99.95
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  • Used - H&K G3 SEF Steel Lower Housing - Push Pin - SURPLUS - HKP-22159 HK G3 Lower Housing - SEF - Steel - Push Pin - SURPLUS
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    HK G3 Lower Housing - SEF - Steel - Push Pin - SURPLUS

    H&K Heckler & Koch

    $49.95
    H&K G3 SEF Steel Lower Housing - Push Pin - SURPLUS Priced for ONE Housing Unit- Condition Varies by Unit - Sold Individually UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used German-made SEF steel lower housing for the G3...
    HKP-22159
    $49.95
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    $49.95
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  • On Sale
    HK MP5 3 Position Burst (0,1,3 Pictogram) Trigger Housing - Push Pin - USED - BLEMISHED HK MP5 3 Position Burst (0,1,3 Pictogram) Trigger Housing - Push Pin - USED - BLEMISHED
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    HK MP5 3 Position Burst (0,1,3 Pictogram) Trigger Housing - Push Pin - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $109.95
    Was: $199.95
    H&K MP5 3 Position Burst (0,1,3 Pictogram) Trigger Housing - Push Pin - USED - BLEMISHED CONDITION MAY VARY. SEE PHOTOS. SOLD INDIVIDUALLY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-02697-BL-B
    Now: $109.95
    Was: $199.95
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    Now: $109.95
    Was: $199.95
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  • Used - H&K G3/91 (.22LR) Caliber Conversion Kit - BLEMISHED - HKP-01147-B HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED
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    HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED

    H&K Heckler & Koch

    $945.95
    Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KIT IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Convert any HK91 or HK...
    HKP-01147-B
    $945.95
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    $945.95
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