New Arrivals
Shop the latest arrivals at HKP! We have a wide selection of new and innovative products for your HK MP5, HK SP5, HK P30, HK VP9, HK USP, and more. Whether you're looking for performance upgrades, cosmetic enhancements, or simply want to keep your H&K in top condition, we have you covered. Shop our new arrivals today and get the latest gear for your favorite HK firearm.
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H&K MR223 A3 Lower Parts Kit
H&K Heckler & Koch
$695.95H&K MR223 A3 Lower Parts Kit Factory HK lower parts kit for the MR223/556 platform—the ultimate choice for those seeking genuine factory German lower internal parts. This kit is essential for anyone looking to build an authentic 416A5 with...HKP-21811-M$695.95 -
HKP +7 HK 45C, USPC .45 ACP Magazine Extension
HKP HK Parts
$59.95HKP +7 HK 45C, USPC .45 ACP Magazine Extension HK Parts magazine extension +7 adds 7 additional rounds to the HK45C, 8 round magazine. Each unit can then be fully assembled into a 15 round HK45C magazine. Ideal for competitive shooters, concealed carry,...HKP-21807-M$59.95 -
MKE HK MP5/AP5 Handguard
MKE
$39.95MKE HK MP5 AP5 Handguard The AP5 handguard is designed to fit the MKE AP5 and HK MP5 firearms. This handguard provides a secure grip and a factory-correct appearance. It provides a reliable and durable option for replacing or upgrading an MP5-style...HKP-21810$39.95 -
PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile
PTR
$99.95PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides, with the...HKP-21806$99.95 -
HK MR556 16" Complete Upper Barrel
H&K Heckler & Koch
$989.95HK MR556 16" Complete Upper Barrel Factory HK MR556 16" barrel, complete with a factory-installed barrel nut, gas block and flash hider. Every component is brand new and meticulously crafted, guaranteeing top-notch quality. This barrel is the ultimate...HKP-21805$989.95 -
H&K 91/G3(7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch - Like New
H&K Heckler & Koch
$36.95H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch 2 Like-New HK German 20 round aluminum magazines, accompanied by a premium hand-picked green rubberized mag pouch. This bundle is the perfect choice for anyone looking to...HKP-21804$36.95 -
HKP 15 Round HK45 E2 Magazine
HKP HK Parts
$113.95HKP - 15 Round HK45 E2 Magazine HK45 & HK45 Tactical +5 magazine extension. Paired with a new HK German 10 round HK45 magazine for a total capacity of 15 rounds. Ideal for competition shooters that would like a higher magazine capacity...HKP-21803-M$113.95 -
Out Of Stock
H&K HK 416/MR556 Adaptive Battle Grip Panel Kit
H&K Heckler & Koch
$72.99H&K HK 416/MR556 Adaptive Battle Grip Panel Kit - Small & Large The standard HK adaptive battle grip comes fitted with medium sized removable grip panels. This adaptive battle grip kit supplies a full set of small and large interchangeable...HKP-21802$72.99 -
Out Of Stock
H&K HK 417/MR762 Double Magazine Pouch
H&K Heckler & Koch
$129.95H&K HK 417 Double Magazine Pouch Factory HK double magazine pouch for the HK 417 and MR762 platforms chambered in .308/7.62x51. Compatible With: HK 417 MR762HKP-21800$129.95 -
HKP HK VP9 Match MOD 1 Compensator - Black
HKP HK Parts
$189.95HK Parts MOD 1 Compensator: H&K VP9 Match The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Each MOD 1 comp...HKP-21799$189.95 -
HKP HK P30SK MOD 1 Compensator - Black
HKP HK Parts
$189.95HK Parts MOD 1 Compensator: H&K P30SK The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on target faster...HKP-21798$189.95 -
HKP P2000 MOD 1 Threaded Barrel Compensator
HKP HK Parts
$189.95HK Parts MOD 1 Compensator for Threaded Barrel: P2000 The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on...HKP-21797$189.95 -
HKP HK VP9SK MOD 1 Compensator - Black
HKP HK Parts
$189.95HK Parts MOD 1 Compensator: H&K VP9SK The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on target faster...HKP-21796$189.95 -
SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace
SB Tactical
$248.95SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing brace offers. With a 5-position adjustable length, this...HKP-21795$248.95 -
SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace
SB Tactical
$248.95SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing brace offers. With a 5-position adjustable length, this...HKP-21795$248.95 -
SB Tactical SBA5 Brace
SB Tactical
$123.95SB Tactical SBA5 Brace The SBA5 Pistol Stabilizing Brace is 5-position adjustable and designed for all platforms capable of accepting a mil-spec carbine receiver extension. Featuring an integral, ambidextrous QD sling socket and an arm cuff based on the...HKP-21794$123.95 -
H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN Coated
H&K Heckler & Koch
$159.95H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN Coated Elevate your collection with our TiN coated factory Heckler & Koch magazines. Each magazine begins as a new German 30-round 9mm mag that is expertly disassembled, TiN coated,...HKP-21792$159.95 -
RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 1/2x28
RCM
$214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your P30 to shoot the popular 9mm cartridge. The conversion barrel features a standard 1/2x28 thread pitch and includes a...HKP-21791$214.95 -
RCM HK VP40 to 9mm Conversion Barrel - Threaded - 13.5x1
RCM
$214.95RCM HK VP40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your VP40 to shoot the popular 9mm cartridge. Comes with a thread protector. Each barrel is made from ordnance-grade steel,...HKP-21790$214.95 -
RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 13.5x1
RCM
$214.95RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your USP to shoot the ubiquotous 9mm cartridge.Includes a thread protector. Each barrel is made from ordnance-grade steel,...HKP-21789$214.95 -
RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1
RCM
$214.95RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30L to shoot the ubiqutous 9mm cartridge. Includes a thread protector. Each barrel is made from ordnance-grade steel,...HKP-21788$214.95 -
RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 1/2x28
RCM
$214.95RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your USP to shoot the popular 9mm cartridge. It has the standard 1/2x28 thread and comes with a thread protector. Each...HKP-21787$214.95 -
RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1
RCM
$214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30 to shoot the popular 9mm cartridge. Comes with a thread protector. Each barrel is made from ordnance-grade steel,...HKP-21786$214.95 -
RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 1/2x28
RCM
$214.95RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your P30L to shoot the ubiquitous 9mm cartridge. The conversion barrel features a standard 1/2x28 thread pitch and includes...HKP-21785$214.95 -
Out Of Stock
UTG HK MP5 Pro M-LOK Light Mount
UTG
$74.99UTG HK MP5 Pro M-LOK Light Mount The UTG MP5 Pro M-LOK light mount securely attaches to front sight without interfering with the handguard. Made in the USA from lightweight, matte black, anodized aluminum with M-LOK slots at the 11, 12, and 1...HKP-21784$74.99 -
H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used
H&K Heckler & Koch
$69.95H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used All steel with rubberized floorplate with finger rest. Compatible With: HK USP Compact .40 Cal HK P2000 .40 Cal Will also fit the P2000SK .40 (will not fit flush)HKP-21781$69.95 -
H&K HK53 Parts Kit - Like New
H&K Heckler & Koch
$14,984.95H&K HK53 Parts Kit - Like New These HK53 kits are undoubtedly the most pristine kits we have ever come across. Some of these kits were only test fired at the factory. Each de-milled kit includes a factory new sling, like-new magazine,...HKP-21780$14,984.95 -
H&K MP5/SP5 Universal SEF Housing - Like New
H&K Heckler & Koch
$149.95H&K MP5/SP5 SEF Universal Housing - Clipped & Pinned - Like New The ultimate solution for MP5 and SP5 style receivers, this universal trigger housing simplifies swapping between receivers. German HK-manufactured, it allows you to easily transfer...HKP-21779$149.95 -
HKP UMP/USC Extended Handguard
HKP HK Parts
$249.95HKP UMP/USC Extended Handguard - Black Cerakote The HK Parts UMP extended handguard is the ultimate choice for your UMP or USC. M-LOK attachment points and a robust picatinny rail on the extended section provide accessory mounting points for any loud-out...HKP-21679$249.95 -
Holosun HK VP9/MP5 HE-507K - Green
Holosun
$354.95Holosun 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 -
RCM HK VP40 to 9mm Conversion Barrel - Threaded - 1/2x28
RCM
$214.95RCM HK VP40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your VP40 to shoot the popular 9mm cartridge. It has the standard 1/2x28 thread and comes with a thread protector. Each barrel...HKP-21676$214.95 -
H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K
H&K Heckler & Koch
$489.95H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K This exceptional stock is the definitive choice for your M110A1, G28 SDMR clone, or any custom build! With its HK E1 Mil-Spec style design, it delivers unmatched quality and performance. The highly...HKP-21675$489.95 -
B&T Blast Deflector - A2 NATO Interface
B&T Brugger & Thomet
$300.00B&T Blast Deflector - A2 NATO Interface This blast deflector is designed for NATO style A2 ("birdcage") flash hiders. Offering a universal fit for 5.56 rifles featuring the standard A2 flash hider. It directs muzzle blast forward, preventing...HKP-21777$300.00 -
B&T Unigrip QD Mount w/ Bipod- Black
B&T Brugger & Thomet
$225.00B&T Unigrip QD Mount w/ Bipod- Black B&T universal Picatinny-mounted vertical grip and bipod combo. Get the best of both worlds with B&T's quick-detatch grip that converts the grip into a bipod for stable, longer shots...HKP-21774$225.00 -
SB Tactical HK MP5 SBA5 Pistol Stabilizing Brace
SB Tactical
$264.95SB Tactical HK MP5 SBA5 Pistol Stabilizing Brace SB Tactical brace married with our MP5 end cap creates a true drop-in brace. With a 5-position adjustable length, this brace can be tailored to fit any body frame. Available exclusively here at HK...HKP-21672$264.95 -
HKP HK21/FMP21 Teardrop Rail Set
HKP HK Parts
$197.95HKP HK21/FMP21 Teardrop Rail Set HK teardrop style reinforcement rails. The ultimate choice for period correct builds. Expertly crafted in the USA from high-quality 4140 steel, these ready-to-weld rails are engineered for precision and durability...HKP-21671$197.95 -
HKP HK MP5 Raised Aimpoint Acro Optic Mount
HKP HK Parts
$134.95HKP HK MP5 Raised Aimpoint Acro Optic Mount HK Parts brings you one of the most requested optic mounts for the MP5 platform. An elevated design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...HKP-21666$134.95 -
HKP HK G36 Picatinny Adapter
HKP HK Parts
$129.95HKP HK G36 Picatinny Adapter Transform your G36 with our unbeatable rail stock adapter, engineered to seamlessly attach any 1913 Style Stock or brace. Our innovative design ensures the 1913 stocks & braces lock in securely, offering superior cheek...HKP-21665$129.95 -
HKP HK UMP/USC 4 Piece M-LOK Set - Cerakote
HKP HK Parts
$139.95HKP HK UMP/USC 4 Piece M-LOK Set - Cerakote Upgrade your UMP/USC with the HK Parts 4-piece M-LOK set. This kit significantly expands the range of attachments you can add to your UMP/USC receiver, making it the ultimate choice for customization. Crafted...HKP-21664-M$139.95 -
H&K HK MP5/SP5 3 Lug Barrel - New Old Stock - Rare
H&K Heckler & Koch
$987.95H&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 -
B&T APC9 Selector Position Lock Spring
B&T Brugger & Thomet
$4.95B&T APC9 Selector Position Lock Spring Compatible With: APC Series Standard receiver Glock receiver Sig receiverHKP-21764$4.95