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 HK21E, HK23E Rear Sight Base - HKP-21467 HK21E, HK23E Rear Sight Base
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    HK21E, HK23E Rear Sight Base

    HKP HK Parts

    $38.95
    HKP HK Parts Rear Sight Base for HK21E, HK23E US manufactured billeted from solid ordnance grade bar stock. Each unit is precisely machined to factory tolerances.  Requires post installation machining to accommodate a scope. Compatible...
    HKP-21467
    $38.95
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  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 - HKP-19633 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24 - Match

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24 - Match

    PTR

    $229.95
    PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 This new PTR-91 US-manufactured 18" heavy profile match grade barrel is perfect for new builds and counts as one US-made compliant part. It features the proper fluted chambers for HK G3/91 rifles...
    HKP-19633
    $229.95
    Out Of Stock
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    $229.95
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  • New - HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH - HKP-18004
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    HK45 Thread Protector - 16x1 LH

    HKP HK Parts

    $19.95
    HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH This new style .45 ACP tactical thread protector fits all HK45 full-size and compact barrels with 16x1 LH threads. Essential for protecting your threaded barrels and exposed threads, it preserves...
    HKP-18004
    $19.95
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  • New - H&K HK MR556/416 Enhanced Field Cleaning Kit - HKP-17061 HK416, MR556 Enhanced Field Cleaning Kit
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    HK416, MR556 Enhanced Field Cleaning Kit

    H&K Heckler & Koch

    $169.95
    HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning Rod HK Carbon Scraping Tool Accessory Adapter Section #8-32 Patch Holder Chamber...
    HKP-17061
    $169.95
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  • New - H&K HK MR556/416 Threaded Pin for Buttstock Insert - HKP-16604 HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2
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    HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2

    H&K Heckler & Koch

    $9.99
    H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416
    HKP-16604
    $9.99
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  • Out Of Stock
    New - H&K 30 Round HK416/MR556 Spring - Magazine - HKP-13483

    HK416, MR556 Magazine Spring - 30 Round

    H&K Heckler & Koch

    $12.95
    HK German HK MR556 & HK 416 Magazine Spring  
    HKP-13483
    $12.95
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  • New - H&K 30 Round HK MR556/416 Magazine - RAL 8K - HKP-18780 HK416, MR556 Magazine - 30 Round - RAL8000
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    HK416, MR556 Magazine - 30 Round - RAL8000

    H&K Heckler & Koch

    $199.95
    Heckler and Koch 30 Round Magazine - RAL 8000 for HK416 and HK MR556 Heckler & Koch reliability and durability in a 30 round 5.56 mm Polymer Magazine. Designed to provide optimal ammunition feeding for any M16, M4, AR15-type weapon, the HK 30-Round...
    HKP-18780
    $199.95
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    $199.95
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  • New - H&K G36/SL8 (5.56/.223) Cocking Handle Axle Pin - HKP-01877
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    HK G36, SL8 Cocking Handle Axle Pin

    H&K Heckler & Koch

    $11.95
    HK German G36 & SL8 Cocking Handle Axle Pin This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear.  Compatible With: HK G36 HK SL8
    HKP-01877
    $11.95
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  • New - H&K G36 (5.56/.223) 10 Round Factory Magazine - Black - HKP-01083 HK G36 Magazine - 10 Round - Factory
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    HK G36 Magazine - 10 Round - Factory

    H&K Heckler & Koch

    $70.95
    HK G36 Black 10-Round Magazine   Compatible With: G36 G36K G36C Double stack capacity magwell converted SL8's. Features: Capacity: 10 rounds Condition: New Manufactured: HK Germany factory
    HKP-01083
    $70.95
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  • Out Of Stock
    New - H&K 23E (5.56/.223) Bolt Carrier - HKP-00330 HK23E Bolt Carrier

    HK23E Bolt Carrier

    H&K Heckler & Koch

    $799.95
    New HK German 23E .223 / 5.56 Bolt Carrier Date coded and marked HK23-E. These are the last HK23E carriers that HK Germany has left. We are told that once these are gone, there will be no more. They are a great spare part to have, and they are getting...
    HKP-00330
    $799.95
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  • On Sale
    New - HKP HK 93/53/33 (5.56/.223) AR-15 Style Brace/Stock Adapter - HKP-16255 HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style
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    HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style

    HKP HK Parts

    Now: $174.95
    Was: $199.95
    HKP HK 93/53/33 (5.56/.223) AR-15 Style Brace/Stock Adapter PTR Manufactured AR15 to HK 93,33,53 series stock adopter assembly. Each adopter unit will allow the use of AR15 stocks on your HK 93,33,53, C93/C53 or HK94, MP5 firearm. Each assembly includes...
    HKP-16255
    Now: $174.95
    Was: $199.95
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    Now: $174.95
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  • New - HKP MP5 40/10 30 Round Magazine Body - HKP-16508 HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight
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    HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight

    HKP HK Parts

    $29.95
    HKP MP5 40/10 30 Round Magazine Body New US Made MP5 40/10 30 Round Magazine Housing Body. Each magazine body comes black in color. Each body counts as one US made compliant part and is a great item to have on hand to replace other junk mag bodies or...
    HKP-16508
    $29.95
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