HK MP5/SP5 Barrels

HK MP5/SP5 Barrels

Upgrade your MP5/SP5 with precision-engineered H&K barrels. We offer a variety of MP5/SP5 barrel lengths and calibers, including threaded and non-threaded options, ensuring superior accuracy and durability. Our H&K MP5/SP5 barrels are perfect for builds or upgrades, providing top performance for all shooting needs.

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  • RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug || HKP-21582 || HKPARTS RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug
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    RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug

    RCM

    $279.95
    RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5 .40 cal. Crafted from top-grade CHF 41v40 material, it’s machined to impeccable standards. With the correct...
    HKP-21582
    $279.95
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  • RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 || HKP-17761 || HKPARTS RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28
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    RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28

    RCM

    $249.95
    RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute chamber profile. Finished with a highly durable nitrided coating for...
    HKP-17761
    $249.95
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  • H&K HK MP5/SP5 3 Lug Barrel - New Old Stock - Rare || HKP-21662 || HKPARTS H&K HK MP5/SP5 3 Lug Barrel - New Old Stock - Rare
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    H&K HK MP5/SP5 3 Lug Barrel - New Old Stock - Rare

    H&K Heckler & Koch

    $987.95
    H&K HK MP5/SP5 3 Lug Barrel - New Old Stock - Rare Factory German date coded with H&K logo. This new old stock 3-lug threaded item is incredibly rare and in pristine condition. An absolute gem in the market. We only have a limited number...
    HKP-21662
    $987.95
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  • HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH || HKP-21829 || HKPARTS HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH
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    HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH

    HKP HK Parts

    $14.95
    HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH This MP5/K thread protector is designed to safeguard your barrel threads from damage when a muzzle device is not in use. Made in the USA from high-quality steel, it offers durability and a precise fit...
    HKP-21829
    $14.95
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    H&K MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug || HKP-01638 || HKPARTS
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    H&K MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug

    H&K Heckler & Koch

    $599.95
    H&K MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug German HK Barrel that is threaded and three lugged with the factory correct thread pitch 14x.75 and thread protector. Pulled out from demilled MP5 .40 S&W, this is a rare part, and only a few...
    HKP-01638
    $599.95
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  • H&K MP5 .40 S&W Factory Barrel - Threaded - 3-Lug || HKP-19349 || HKPARTS H&K MP5 .40 S&W Factory Barrel - Threaded - 3-Lug
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    H&K MP5 .40 S&W Factory Barrel - Threaded - 3-Lug

    H&K Heckler & Koch

    $1,495.00
    H&K MP5 .40 S&W Factory Barrel - Threaded - 3-Lug New MP5 .40 S&W barrel. Factory-installed sight tower with sight/sling eyelets and factory finish. Specifications: Threaded 3-Lug Compatible With: HK MP5 .40 S&W Rare & hard to find...
    HKP-19349
    $1,495.00
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    $1,495.00
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    H&K MP5 40/10 Thread Protector Cap || HKP-00422 || HKPARTS H&K MP5 40/10 Thread Protector Cap
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    H&K MP5 40/10 Thread Protector Cap

    H&K Heckler & Koch

    $0.00
    HK German Factory Thread Protector For All MP5 40/10 Factory HK Barrels. The Thread Pitch Is Metric 14 X.75
    HKP-00422
    $0.00
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    HK MP5 Barrel with Trunnion || HKP-99100 || HKPARTS HK MP5 Barrel with Trunnion
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    HK MP5 Barrel with Trunnion

    USA

    Now: $139.95
    Was: $209.95
    HK MP5 Barrel with Trunnion US made barrel with attached trunnion for the HK MP5. Compatible With: HK MP5 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99100
    Now: $139.95
    Was: $209.95
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    Was: $209.95
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  • On Sale
    HK MP5 Trunnion - Gunsmith Special || HKP-99089 || HKPARTS HK MP5 Trunnion - Gunsmith Special
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    HK MP5 Trunnion - Gunsmith Special

    USA

    Now: $24.95
    Was: $54.95
    HK MP5 Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will vary from part-to-part vs. the pictured unit. Compatible...
    HKP-99089
    Now: $24.95
    Was: $54.95
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    Was: $54.95
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    HK94 Clone Original Vented Barrel Shroud - BLEMISHED || HKP-00020-BL-B || HKPARTS
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    HK94 Clone Original Vented Barrel Shroud - BLEMISHED

    E&L MFG

    Now: $99.95
    Was: $139.95
    HK94 Clone Original Vented Barrel Shroud - BLEMISHED   DOES NOT INCLUDE GRIP. ONLY INCLUDES VENTED BARREL SHROUD.   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    HKP-00020-BL-B
    Now: $99.95
    Was: $139.95
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    Was: $139.95
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  • On Sale
    HK94 Clone Original Vented Barrel Shroud w/ Grip - USED - BLEMISHED || HKP-00020-B || HKPARTS HK94 Clone Original Vented Barrel Shroud w/ Grip - USED - BLEMISHED
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    HK94 Clone Original Vented Barrel Shroud w/ Grip - USED - BLEMISHED

    E&L MFG

    Now: $89.95
    Was: $139.95
    HK94 Clone Original Vented Barrel Shroud w/ Grip - USED - BLEMISHED   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is the OEM HK part. The vertical...
    HKP-00020-B
    Now: $89.95
    Was: $139.95
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    Now: $89.95
    Was: $139.95
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  • On Sale
    MKE 16" Barrel for HK94 & SP5L - USED || HKP-99051 || HKPARTS MKE 16" Barrel for HK94 & SP5L - USED
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    MKE 16" Barrel for HK94 & SP5L - USED

    MKE

    Now: $299.95
    Was: $389.95
    MKE 16" Barrel for HK94 & SP5L - USED Used MKE 16" barrel for the HK94 and SP5L platform. THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99051
    Now: $299.95
    Was: $389.95
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    Now: $299.95
    Was: $389.95
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