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 HK 53 (5.56/.223) Barrel - Threaded 15x1 - HKP-01156
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    HK53 Barrel - 5.56 / .223 - 8.275" - Threaded 15x1

    RCM

    $164.95
    RCM HK 53 (5.56/.223) Barrel - Threaded 15x1 These are the finest US-made barrels available and come highly recommended by HKPARTS. Machined 100% in the USA, 922r compliant, and counts as 1 US-made 922r compliant part. Specifications: Cold Hammer Forged...
    HKP-01156
    $164.95
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    $164.95
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  • New - HKP/H&K MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame - HKP-16490 HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style
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    HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style

    HKP HK Parts

    $189.95
    HKP HK Parts and Heckler and Koch HK MP5K, SP89 9mm SEF Metal Style Grip Frame Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a...
    HKP-16490
    $189.95
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    $189.95
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  • New - HKP MP5, MP5SD Universal Cocking Tube Support - Titanium - HKP-18193 HK MP5, MP5SD Cocking Tube Support - Titanium -Universal
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    HK MP5, MP5SD Cocking Tube Support - Titanium -Universal

    HKP HK Parts

    $119.95
    HKP MP5, MP5SD Universal Cocking Tube Support - Titanium Made from aircraft grade 5 Titanium from the factory HK German print & specs. An HK German quality part made in the USA offered at a great price point. Each MP5 9mm cocking tube support will...
    HKP-18193
    $119.95
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    $119.95
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  • New - H&K 416 (5.56/.223) German Flash Hider - 1/2x28 - HKP-18521 H&K 416 (5.56/.223) German Flash Hider - 1/2x28 H&K Heckler & Koch HKP-18521
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    HK 416A5 Flash Hider - 1/2x28

    H&K Heckler & Koch

    $95.95
    H&K 416 (5.56/.223) German Flash Hider - 1/2x28 This flash hider is not compatible with suppressors. Compatible With: HK 416 A5- 11" HK 416 A5- 14.5" HK 416 A5 - 16.5" HK 416 A5- 20"
    HKP-18521
    $95.95
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    $95.95
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  • New - HKP HK USP .45 ACP 16X1 LH Thread Protector - HKP-22177 HK USP Thread Protector - .45 ACP - 16X1 LH
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    HK USP Thread Protector - .45 ACP - 16X1 LH

    HKP HK Parts

    $19.95
    HKP HK USP .45 ACP 16X1 LH Thread Protector Thread protector for 16X1 left-hand .45 ACP barrels.   Compatible With: HK USP .45 & Compact HK45 & Compact HK UMP/USC Firearms with 16X1 left-hand threaded .45 ACP barrels NOT compatible...
    HKP-22177
    $19.95
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    $19.95
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  • Out Of Stock
    New - H&K 416 Folding Front Sight - Complete - HKP-22022 HK416 Folding Front Sight - Complete

    HK416 Folding Front Sight - Complete

    H&K Heckler & Koch

    $187.95
    H&K 416 Folding Front Sight - Complete Factory H&K folding front sight for the HK416 with a 33mm sighting line. Compatible With: HK MR556 HK416    
    HKP-22022
    $187.95
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    $187.95
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  • New - H&K HK MR556 A4 13.4" Handguard - HKP-21935 HK MR556 A4 Handguard - 13.4"
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    HK MR556 A4 Handguard - 13.4"

    H&K Heckler & Koch

    $299.99
    H&K HK MR556 A4 13.4" Handguard This handguard is expertly engineered for precision and adaptability, featuring a robust Picatinny rail at the 12 o'clock position that guarantees seamless mounting of optics and accessories. With M-LOK slots...
    HKP-21935
    $299.99
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    $299.99
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  • New - H&K 416 Front Takedown Pin - HKP-21862 HK416, MR556 Takedown Pin - Front - A4 Style
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    HK416, MR556 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $26.95
    H&K HK416, MR556 A4 Front Takedown Pin  The HK416 front takedown pin is a German-made component designed to securely fasten the upper and lower receivers. Precision-machined for a proper fit, it ensures reliable function and serves as an ideal...
    HKP-21862
    $26.95
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    $26.95
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  • Out Of Stock
    New - Aimpoint ACRO / NANO 22mm Picatinny QD Mount - HKP-21728 Picatinny Optic Mount - Low Profile - ACRO, NANO

    Picatinny Optic Mount - Low Profile - ACRO, NANO

    B&T Brugger & Thomet

    $115.00
    B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low 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...
    HKP-21728
    $115.00
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    $115.00
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  • On Sale
    New - HKP HK MP7 Dual Magazine Clamp - HKP-21597-M HK MP7 Dual Magazine Clamp
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    HK MP7 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world.  The clamp works with any capacity MP7 magazine. Compatible With: HK MP7
    HKP-21597-M
    Now: $39.96
    Was: $49.95
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    Now: $39.96
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  • New - JMAC Universal Picatinny 8" Stock with 1913 Folding Mech - HKP-21241-M Picatinny  8" Stock with 1913 Folding Mech
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    Picatinny 8" Stock with 1913 Folding Mech

    JMAC Customs

    $304.90 - $309.90
    JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...
    HKP-21241-M
    $304.90 - $309.90
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  • New - B&T MP9/TP9 Case - HKP-21084 B&T MP9/TP9 Case
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    B&T MP9/TP9 Case

    B&T Brugger & Thomet

    $199.95
    B&T MP9/TP9 Carrying Case B&T factory issue MP9/TP9 carrying cases.  These cases are no longer in production or available from any other vendors.  A limited quantity is available. Get yours before they are all gone! Dimensions: Length:...
    HKP-21084
    $199.95
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    $199.95
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