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 - HKP Single Point Sling - OD Green - HKP-09057 HK Single Point Sling - OD Green
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    HK Single Point Sling - OD Green

    HKP HK Parts

    $29.95
    HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...
    HKP-09057
    $29.95
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  • New - H&K -4 Roller For Bolt Head 7.96mm - Under-sized - HKP-00504 Bolt Head Locking Roller - -4, 7.96mm - Under-sized
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    Bolt Head Locking Roller - -4, 7.96mm - Under-sized

    H&K Heckler & Koch

    $27.99
    Heckler and Koch -4 7.96mm Undersized Roller for Bolt Heads  The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -4 roller, each roller is priced per roller. Compatible...
    HKP-00504
    $27.99
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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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    $159.95
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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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  • 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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  • New - MI HK MP5K Tri-Rail Handguard - HKP-21486 HK MP5K Handguard - Tri-Rail
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    HK MP5K Handguard - Tri-Rail

    MI Midwest Industries

    $149.95
    MI HK MP5K Tri-Rail Handguard   Features: Professional grade one-piece design Tri-Rail 1913 Picatinny on 3 sides for accessory attachment Simple installation, includes all tools Lightweight design Features two anti-rotation QD sling swivel...
    HKP-21486
    $149.95
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  • New - HKP HK MP5 9mm Receiver Flat with Weldment Set - HKP-20920 HK MP5 Receiver Flat with Weldment Set - 9mm
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    HK MP5 Receiver Flat with Weldment Set - 9mm

    HKP HK Parts

    $219.95
    HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...
    HKP-20920
    $219.95
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  • Used - H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED - HKP-19912 HK MP5, HK53, HK93, G3 Housing - 3 Position S,U,O Pictogram - Contract Housing - 9mm, 5.56 / .223, 7.62 / .308 - USED
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    HK MP5, HK53, HK93, G3 Housing - 3 Position S,U,O Pictogram - Contract Housing - 9mm, 5.56 / .223, 7.62 / .308 - USED

    H&K Heckler & Koch

    $29.95 - $99.95
    H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED   Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...
    HKP-19912-M
    $29.95 - $99.95
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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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  • New - H&K HK 416/MR556 Mil-Spec Factory German E2 Rear Stock - Black - HKP-01913 HK416, MR556 E2 Buttstock - Mil-Spec
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    HK416, MR556 E2 Buttstock - Mil-Spec

    H&K Heckler & Koch

    $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...
    HKP-01913
    $199.95
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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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    $226.95
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  • New - SB Tactical MP5 & SP5 Folding Brace - Skeletonized - HKP-21397 HK MP5, SP5 Folding Brace - Skeletonized
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    HK MP5, SP5 Folding Brace - Skeletonized

    SB Tactical

    $149.95
    SB Tactical MP5 & SP5 Folding Brace - Skeletonized Features: Each brace comes assembled ready to install no assembly required Made in the USA B&T inspired design & styling QD Sling Attachment Fully adjustable nylon stabilizing strap 10.5" in...
    HKP-21397
    $149.95
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