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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  • Out Of Stock
    Used - H&K 30 Round MP5 9mm Magazine-Straight - HKP-16263 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight

    H&K Heckler & Koch

    $0.00
    German H&K MP5 9mm 30 Round Straight Magazine Each original German HK manufactured magazine ranges from VG to like new condition. This is the first production MP5 style of magazine. Each is date coded with factory HK markings. No longer made or...
    HKP-16263
    $0.00
    Out Of Stock
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  • HK CC9 Magazine Spring - 12 Round
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    HK CC9 Magazine Spring - 12 Round

    H&K Heckler & Koch

    $9.95
    Heckler and Koch 12-Round Magazine Spring for HK CC9 Genuine 12-round HK CC9 steel magazine spring. Compatible With: HK CC9
    HKP-22509
    $9.95
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    $9.95
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  • On Sale
    HK MP5 Locking Piece - 100 Degree - USED HK MP5 Locking Piece - 100 Degree - USED
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    HK MP5 Locking Piece - 100 Degree - USED

    H&K Heckler & Koch

    Now: $65.95
    Was: $89.95
    HK MP5, HK94 100 Degree Locking Piece - USED MP5 100 degree used locking piece.
    HKP-00668-USED
    Now: $65.95
    Was: $89.95
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    Now: $65.95
    Was: $89.95
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  • On Sale
    HK91, HK G3 Locking Piece - USED H&K Heckler & Koch HKP-16712-USED HK91, HK G3 Locking Piece - USED H&K Heckler & Koch HKP-16712-USED
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    HK91, G3, FMP Locking Piece - USED

    H&K Heckler & Koch

    Now: $8.93
    Was: $14.95
    Heckler and Koch Locking Piece for HK FMP HK91 and G3 - USED SOLD INDIVIDUALLY.  USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.  HK German Locking Piece for FMP - USED. This is the factory...
    HKP-16712-USED
    Now: $8.93
    Was: $14.95
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    Now: $8.93
    Was: $14.95
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  • HK MP5 Case Deflector - 9mm, .40 S&W Receivers HK MP5 Case Deflector - 9mm, .40 S&W Receivers
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    HK MP5 Case Deflector - 9mm, .40 S&W Receivers

    HKP HK Parts

    $24.95
    HKP HK MP5 Case Deflector - 9mm, .40 Receivers US-made steel case deflector for HK MP5 and MP5K receivers in 9mm and .40 S&W. Installs on the ejection-port flat, rivet or weld, to redirect brass and support reliable extraction on MP5 and MP5K style...
    HKP-22383
    $24.95
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    $24.95
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  • PTR PDW MOE PR Stock Magpul HKP-22347 HK51, PTR PDW MOE PR Stock
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    HK51, PTR PDW MOE PR Stock

    Magpul

    $249.95
    Magpul HK51, PTR PDW MOE PR Stock - Black Designed for the PTR PDW platform, this adapter ensures a precise fit and secure lockup for stock installation. Features: Secure lockup for repeatable seating and zero retention High-strength aluminum...
    HKP-22347
    $249.95
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    $249.95
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  • On Sale
    Used - HK UMP 3 Position Lower Grip Frame - Black - RARE - USED - HKP-99274
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    HK UMP 3 Position Lower Grip Frame - Black - RARE - USED

    HKP HK Parts

    Now: $449.95
    Was: $699.95
    HK UMP 3 Position Lower Grip Frame - Black - RARE - USED   ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used UMP Lower...
    HKP-99274
    Now: $449.95
    Was: $699.95
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    Now: $449.95
    Was: $699.95
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  • New - H&K MR556/MR762 Ribbon for Buttstock - HKP-22002 HK MR556, MR762 Buttstock Ribbon
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    HK MR556, MR762 Buttstock Ribbon

    H&K Heckler & Koch

    $53.95
    H&K MR556A1, MR762A1 Ribbon for Buttstock Factory HK ribbon used for sling attachment. Can also be used on the E1 Buttstock. Compatible With: HK MR556/416 MR762/417
    HKP-22002
    $53.95
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    $53.95
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  • On Sale
    Used - CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED - HKP-99054 CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED
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    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED

    Simunition

    Now: $269.95
    Was: $319.95
    CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED   SHADES OF BLUE MAY VARY   The CQT FX Simunition conversion kit is in good  condition and comes with original factory packaging. This is your chance to grab one of the last...
    HKP-99054
    Now: $269.95
    Was: $319.95
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    Now: $269.95
    Was: $319.95
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  • On Sale
    Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - USED - BLEMISHED - HKP-19887-B HK91, G3, PTR .308 Magazine - 10 Round - BLEMISHED
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    HK91, G3, PTR .308 Magazine - 10 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $39.95
    Was: $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - USED - BLEMISHED   INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each HK magazine is...
    HKP-19887-B
    Now: $39.95
    Was: $64.95
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    Now: $39.95
    Was: $64.95
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  • New - B&T Blast Deflector with Glass Breaker - Rotex IIA Interface - HKP-21776 B&T Blast Deflector - Rotex IIA Interface - Glass Breaker
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    B&T Blast Deflector - Rotex IIA Interface - Glass Breaker

    B&T Brugger & Thomet

    $280.00
    B&T Blast Deflector with Glass Breaker - Rotex IIA Interface B&T blast deflector with glass breaker features a Rotex IIA Interface, designed to work with non-Pro APC223 and APC308 muzzle devices.  Compatible With: B&T APC223...
    HKP-21776
    $280.00
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    $280.00
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  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Small - HKP-21389 HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21389
    $24.99
    Out Of Stock
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    $24.99
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