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 - HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED - HKP-18273-B HK MP5, MP5K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED
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    HK MP5, MP5K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $9.95
    Was: $49.95
    HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work...
    HKP-18273-B
    Now: $9.95
    Was: $49.95
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  • Out Of Stock
    On Sale
    New - SureFire Z10 Switch Blocker - HKP-99120

    Z10 Switch Blocker

    Surefire

    Now: $9.95
    Was: $39.95
    SureFire Z10 Switch Blocker The SureFire Z10 Switch Blocker is an adhesive-backed metal cover that limits the exposed length of the momentary-on switch on SureFire WeaponLights. Compatible With: SureFire WeaponLights THIS CLOSEOUT PART IS NOT ELIGIBLE...
    HKP-99120
    Now: $9.95
    Was: $39.95
    Out Of Stock
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    Was: $39.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile - HKP-21806 HK91, G3 Tactical Handguard - Low Profile
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    HK91, G3 Tactical Handguard - Low Profile

    PTR

    $109.95
    PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides, with the...
    HKP-21806-M
    $109.95
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    $109.95
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  • Out Of Stock
    New - B&T Aimpoint ACRO / NANO 30mm QD Mount - HKP-21742 Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO

    Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO

    B&T Brugger & Thomet

    $98.00
    B&T Aimpoint ACRO / NANO 30mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible With: Any firearm featuring...
    HKP-21742
    $98.00
    Out Of Stock
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    $98.00
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  • Out Of Stock
    New - JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black - HKP-21242-BL Picatinny 9" Stock with 1913 Folding Mech

    Picatinny 9" Stock with 1913 Folding Mech

    JMAC Customs

    $309.90
    JMAC Universal Picatinny 9" Stock with 1913 Folding Mech Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...
    HKP-21242-BL
    $309.90
    Out Of Stock
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    $309.90
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  • Used - HK G3 .22 20 Round Conversion Magazine - USED - HKP-20750 HK G3 .22 20 Round Conversion Magazine - USED
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    HK G3 .22 20 Round Conversion Magazine - USED

    $199.95
    HK G3 .22 20 Round Conversion Magazine - USED HK .22 caliber conversion kit 20-round magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint...
    HKP-20750
    $199.95
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  • HK G36, G36C, G36K Magwell HK G36, G36C, G36K Magwell
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    HK G36, G36C, G36K Magwell

    HKP HK Parts

    $49.95
    Magazine Well - Magwell FDE & RAL8K - HK G36 Allows use of all factory G36 and Magpul G36 magazines. This magwell fits all 30, 10, and 100 round magazines and drums. Compatible With: G36, G36K, G36C In-spec clones and custom builds
    HKP-19300-M
    $49.95
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  • Out Of Stock
    New - HKP HK G36C Barrel - Black - HKP-18195 HK G36C Barrel - 5.56 / .223 - 8.98"

    HK G36C Barrel - 5.56 / .223 - 8.98"

    HKP HK Parts

    $499.95
    HKP HK G36C Barrel Brand new HK G36C barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36C barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...
    HKP-18195
    $499.95
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  • Used - Fero Z51 Claw Mount Adapter - HKP-19532 Fero Z51 Claw Mount Adapter
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    Fero Z51 Claw Mount Adapter

    $9.95
    Claw Mount Adapter - German - Surplus - Z51
    HKP-19532
    $9.95
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  • New - H&K HK P7 Series Front Sight Slide Retainer Pin - HKP-01361
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    HK P7 Series Front Sight Slide Retainer Pin

    H&K Heckler & Koch

    $4.95
    HK P7 Series Front Sight Slide Retainer Pin Compatible With: PSP P7M8 P7M10 P7M13
    HKP-01361
    $4.95
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  • New - H&K HK MR556/MR762/417 Index Pin Spring - HKP-17021
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    HK417, MR556, MR762 Index Pin Spring

    H&K Heckler & Koch

    $7.95
    H&K HK MR556/MR762/417 Index Pin Spring   Compatible With: HK MR556 HK 417 HK MR762  
    HKP-17021
    $7.95
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  • New - H&K HK SL8-1 Rear Sight Screw - HKP-16383
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    HK SL8-1 Rear Sight Screw

    H&K Heckler & Koch

    $14.95
    H&K HK SL8-1 Rear Sight Screw
    HKP-16383
    $14.95
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