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 - H&K HK MR556 A4/A5 11" Barrel - HKP-21932 HK416A5, MR556 Barrel - 5.56 / .223 - 11"
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    HK416A5, MR556 Barrel - 5.56 / .223 - 11"

    H&K Heckler & Koch

    $424.95
    Heckler and Koch 11" Barrel for HK416A5, MR556 A4, MR556 A5 Factory German 11" HK416A5, MR556 barrel. Cold hammer-forged and built to HK’s standard for durability, accuracy, and service life. The 1:7 twist rate stabilizes a wide range of 5.56 NATO...
    HKP-21932
    $424.95
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    $424.95
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  • On Sale
    New - HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED - HKP-18273-B HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm - Gunsmith Special - BLEMISHED
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    HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $9.95
    Was: $49.95
    HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work...
    HKP-18273-B
    Now: $9.95
    Was: $49.95
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    Now: $9.95
    Was: $49.95
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  • New - Holosun HK VP9/MP5 Reflex Sight HE-507K - Green - HKP-21677 HK MP5, VP9 Reflex Sight HE-507K - Green
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    HK MP5, VP9 Reflex Sight HE-507K - Green

    Holosun

    $354.95
    Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...
    HKP-21677
    $354.95
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    $354.95
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  • On Sale
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
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    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED

    H&K Heckler & Koch

    Now: $2.96
    Was: $5.95
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN.  Features: Precision-machined elbow spring...
    HKP-03330-USED
    Now: $2.96
    Was: $5.95
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    Now: $2.96
    Was: $5.95
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  • On Sale
    New - TPM Fluted Bolt Knob – Bronze - HKP-20906 Bolt Knob - Fluted – Bronze
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    Bolt Knob - Fluted – Bronze

    Tactical Precision MFG

    Now: $19.95
    Was: $37.99
    TPM Fluted Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle.  Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24
    HKP-20906
    Now: $19.95
    Was: $37.99
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    Now: $19.95
    Was: $37.99
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  • Out Of Stock
    New - HK G36, SL8 Forearm With Heat Shield - Black - HKP-00271 HK G36, SL8 Handguard With Heat Shield

    HK G36, SL8 Handguard With Heat Shield

    H&K Heckler & Koch

    $115.99
    HK G36 & SL8 Forearm With Heat Shield New HK German G36 & HK SL8 handguard with heat shield & bipod attachment & sling loop point. A drop in part for your HK G36 or SL8 rifle.
    HKP-00271
    $115.99
    Out Of Stock
    Qty in Cart: 0
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    $115.99
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  • New - HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull - HKP-20312 HK MP5, MP5K, SP89, HK94  Trigger Pack - SEF Semi - 9mm - Enhanced 5 to 6 lb Trigger Pull
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    HK MP5, MP5K, SP89, HK94 Trigger Pack - SEF Semi - 9mm - Enhanced 5 to 6 lb Trigger Pull

    HKP HK Parts

    $439.95
    HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull These trigger packs start as a F/A pack and gets professionally converted to the BATFE specs so you can rest assured the trigger pack is done correctly and to spec. These refinished trigger...
    HKP-20312
    $439.95
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    $439.95
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  • On Sale
    New - Wasatch Arms Key Mount Tool - HKP-20299 Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors
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    Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors

    Wasatch Arms

    Now: $29.95
    Was: $54.95
    Wasatch Arms Key Mount Tool   The Dead Air Crows Foot Wrench engages directly on the Key Mount brake allowing proper axial torque for quick and easy installation.  Made in the USA and finished in black nitride.
    HKP-20299
    Now: $29.95
    Was: $54.95
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    Now: $29.95
    Was: $54.95
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  • New - H&K HK MR762 M-LOK 14.7" Handguard - Black - HKP-19775 HK MR762 M-LOK Handguard - 14.7"
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    HK MR762 M-LOK Handguard - 14.7"

    H&K Heckler & Koch

    $294.95
    H&K HK MR762 M-LOK 14.7" Handguard - Black This handgurad is 14.7" long featuring a flat top Picatinny Rail and M-LOK attachment points. Compatible With: HK MR762
    HKP-19775
    $294.95
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    $294.95
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  • New - Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned - HKP-19319 HK SP5 Trigger Group - SEF Navy Style - Clipped and Pinned
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    HK SP5 Trigger Group - SEF Navy Style - Clipped and Pinned

    H&K Heckler & Koch

    $579.95
    Navy Style - SEF - Clipped and Pinned Trigger Group - HK SP5 Ready to drop on your SP5 receiver. Great replacement for the 2 position ambidextrous trigger group. Each trigger group is comprised of genuine Heckler & Koch Products. Includes a match...
    HKP-19319
    $579.95
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    $579.95
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  • New - H&K MR556/417 Trigger, Hammer Pin - HKP-15456
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    HK MR556/417 Trigger, Hammer Pin

    H&K Heckler & Koch

    $14.99
    H&K MR556/417 Trigger, Hammer Pin Compatible With: HK MR556 HK 417
    HKP-15456
    $14.99
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    $14.99
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  • New - H&K HK MR762 Ejection Door Clamping Sleeve - HKP-16518
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    HK MR762 Ejection Door Clamping Sleeve

    H&K Heckler & Koch

    $4.95
    H&K HK MR762 Ejection Door Clamping Sleeve Compatible With: HK MR762
    HKP-16518
    $4.95
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    $4.95
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