MP5K / SP5K Barrels
Whether upgrading or replacing, find precision-engineered HK MP5K/SP5K barrels that enhance performance and accuracy. HKP offers MP5K barrels for sale and threaded barrels for the SP5K, perfect for maintaining reliability and top-tier function. Choose from our wide selection of HK Parts to complete your setup.
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HK MP5SD Sealing Ring - Enhanced
HKP HK Parts
$9.95HKP HK Parts Enhanced Sealing Ring for HK MP5SD The enhanced sealing ring is made from a newer, longer-lasting material as well as having a sHKP-18053$9.95 -
HK MP5, MP5K Thread Protector - 9mm - 1/2x28 RH
HKP HK Parts
$14.95HKP/H&K MP5/K 9mm Thread Protector - Threaded 1/2x28 RH This US-made thread protector is specifically designed for HK MP5, MP5K, and threaded barrel applications. Ideal for MP5, MP5-N, and MP5K-N...HKP-16883$14.95 -
HK MP5SD Barrel Port Cleaning Brush
HKP HK Parts
$69.95HKP HK MP5SD 9mm Barrel Port Brush The HKP MP5SD barrel port brush can be rotated in either direction for stiffer or softer cleaning when using ourHKP-20989$69.95 -
Barrel Bore Cleaning Brush - 9mm, .357 SIG
USA
$1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have for cleaning the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread)...HKP-02760$1.95 -
HK SP5, SP5K Thread Protector - 9mm - 1/2x28
HKP HK Parts
$19.95HKP HK SP5, SP5K 9mm Thread Protector - Threaded 1/2x28 Our thread protector is compatible with all factory-spec SP5 barrels and is a perfect replacement part. Specifications: Made in the USAHKP-21375$19.95 -
Out Of Stock
HK MP5SD Sealing Ring
H&K Heckler & Koch
$29.95Heckler and Koch Sealing Ring for HK MP5SD Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions...HKP-00142$29.95 -
Thread Protector - 9mm, 5.56 / .223 - 1/2x28 RH
HKP HK Parts
$14.95HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard...HKP-02646$14.95 -
HK MP5SD Barrel Port Cleaning Brush Replacement Cartridge
HKP HK Parts
$38.75HKP MP5SD Replacement Cartridge for Barrel Port Brush Replacement cartridge for HK MP5SD barrel port brush. Our replacement cartridge is compatible with factory HK barrel brush assemblies...HKP-21294$38.75 -
Thread Protector - 9mm - Enhanced - 1/2x28 RH
HKP HK Parts
$19.95 - $29.95HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RHHKP-17977-M$19.95 - $29.95 -
Out Of Stock
Thread Protector - 9mm - Enhanced - 13.5x1 LH
HKP HK Parts
$19.95HKP HK 9mm Enhanced Thread Protector - 13.5x1HKP-21603$19.95 -
On Sale
HK MP5, MP5K Thread Protector - 9mm - 1/2x32 RH
H&K Heckler & Koch
Now: $24.71Was: $40.95H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels...HKP-00108Now: $24.71Was: $40.95 -
HK MP5K Barrel Extension and Faux Suppressor - 9mm - 3 Lug - US
HKP HK Parts
$59.95HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW...HKP-18001$59.95