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 HK UMP (9mm ) 15 Round Magazine - HKP-17849 HK UMP 9mm  15 Round Magazine
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    HK UMP 9mm 15 Round Magazine

    HKP HK Parts

    $49.95
    UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...
    HKP-17849
    $49.95
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  • New - HKP 93/53/33 (5.56/.223) Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only - HKP-17246 HK33, HK53, HK93 Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only
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    HK33, HK53, HK93 Trigger Group - 2 Position Housing 0,1 - Safe, Semi Only

    HKP HK Parts

    $549.95
    HKP 93, 33, 53 Trigger Group 2 Position Housing 0,1 - Safe, Semi Only Our trigger group offering is the most desirable HK 93,33,53 trigger group available. Now you can upgrade your HK firearm to have the look & feel of the 4 position burst lower with...
    HKP-17246
    $549.95
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  • New - RCM MP5 40/10 Low Impulse Locking Piece #24 - HKP-15148 HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm - US
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    HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm - US

    RCM

    $44.95
    RCM MP5 40/10 Low Impulse Locking Piece #24 Made out of enhanced material and heat treated to spec. The # 24 is the 90-degree locking piece. This is also the standard non-high impulse ammo locking piece.  Compatible With:  MP5...
    HKP-15148
    $44.95
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    $44.95
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  • New - HKP MP5, HK94 Cocking Tube - For Lefties - HKP-17380 HK MP5, HK94 Cocking Tube - LH
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    HK MP5, HK94 Cocking Tube - LH

    HKP HK Parts

    $119.95
    HKP MP5, HK94 Cocking Tube - For Lefties This is the one and only left handed cocking tube for the MP5/HK94 ever made and it happens to be a US manufactured part. Features include enlarged charging handle clamping pin access hole as found on the latest...
    HKP-17380
    $119.95
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  • Out Of Stock
    New - HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad - HKP-17800 HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad HKP HK Parts HKP-17800

    HK416, MR556, AR-15 PDWC Stock - Extended Buttpad

    HKP HK Parts

    $0.00
    HK 416C Style With Extended Buttpad - PDW Stock For AR15, MR556, HK416 & M4 Models The first PDW style stock that does NOT require a proprietary bolt carrier or special components. A true drop-in PDW stock solution for your HK 416C or AR/M4 PDW...
    HKP-17800
    $0.00
    Out Of Stock
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  • Used - G3 A2 Adjustable Stock Extension - HKP-00872 G3 A2 Adjustable Stock Extension USA HKP-00872
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    HK G3 A2 Adjustable Stock Extension

    USA

    $69.95
    HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...
    HKP-00872
    $69.95
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  • Used - H&K G3/91 Front Sight Tower - SURPLUS - HKP-22158 HK91, G3 Front Sight Tower - SURPLUS
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    HK91, G3 Front Sight Tower - SURPLUS

    H&K Heckler & Koch

    $16.95
    H&K G3/91 Front Sight Tower - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Priced for ONE Unit - Sold Individually Used genuine H&K steel front sight tower for the G3 & HK91. Provides the front sight post assembly...
    HKP-22158
    $16.95
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    $16.95
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  • New - HKP HK MP5K to G3 Brace/Stock Adapter - HKP-21853 HK MP5K to G3 Stock or Brace Adapter
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    HK MP5K to G3 Stock or Brace Adapter

    HKP HK Parts

    $113.95
    HKP HK MP5K to G3 Brace/Stock Adapter The MP5K/G3 adapter enables seamless compatibility between MP5K firearms and G3-style stocks. Designed  for a  secure and sturdy connection, it's an excellent upgrade for those looking to customize or swap...
    HKP-21853
    $113.95
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  • On Sale
    New - H&K HK 416 A5 Bolt Carrier Complete - HKP-21500 HK416 A5 Bolt Carrier - Complete
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    HK416 A5 Bolt Carrier - Complete

    H&K Heckler & Koch

    Now: $1,945.00
    Was: $2,349.95
    German H&K HK 416 A5 Bolt Carrier Complete Get your hands on that critical puzzle piece for your factory-correct 416A5 build.  Fully assembled and ready to drop into your uper receiver.  Bolt carriers may be marked ".223 Rem" or "5.56 x 45"...
    HKP-21500
    Now: $1,945.00
    Was: $2,349.95
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  • On Sale
    New - Strike Industries HK SP5 Drop-In MOD2 Stock - HKP-21332-M HK SP5 Stock - MOD2 - Strike Industries
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    HK SP5 Stock - MOD2 - Strike Industries

    HKP HK Parts / Strike Industries

    Now: $111.71
    Was: $199.95
    Strike Industries HK SP5 Drop-In MOD2 Stock We pair our SP5 AR stock adpter with this Strike MOD2 stock to give you a drop-in SP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at HK...
    HKP-21332-M
    Now: $111.71
    Was: $199.95
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    Now: $111.71
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  • New - Strike Industries 1913 Picatinny Backup Sights - HKP-21314 Backup Sights - Picatinny
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    Backup Sights - Picatinny

    Strike Industries

    $84.95
    Strike Industries 1913 Picatinny Backup Sights Features: Built-in backup sights when flipped down for quick target acquisition Low-profile and low snag design Toolless adjustments of windage and elevation Quick sliding dual aperture rear...
    HKP-21314
    $84.95
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  • New - JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black - HKP-21242-BL Picatinny 9" Stock with 1913 Folding Mech
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    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
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    $309.90
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