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 / Hogue Mini Incursion OTF AUTO Knife 2.95" - Point Plain Blade
Hogue
$229.95HK Knives by Hogue Mini Incursion OTF AUTO Knife 2.95" 154CM Black PVD Clip Point Plain Blade Heckler & Koch Knives are specially designed and built for the professional knife user. Whether you're military, law enforcement, rescue, first responder,...HKP-21560$229.95 -
H&K / Hogue Mini Incursion OTF AUTO Knife 2.95" - Tanto Blade
Hogue
$229.95HK Knives by Hogue Mini Incursion OTF AUTO Knife 2.95" 154CM Black Tanto Plain Blade Heckler & Koch Knives are specially designed and built for the professional knife user. Whether you're military, law enforcement, rescue, first responder, or simply...HKP-21559$229.95 -
H&K / Hogue Micro Incur 1.95 OTF Auto Knife
Hogue
$179.95H&K / Hogue Micro Incur 1.95 OTF Auto Knife Heckler & Koch Knives are specially designed and built for the professional knife user. Whether you're military, law enforcement, rescue, first responder, or simply in need of an everyday carry, you...HKP-21558$179.95 -
Out Of Stock
MI HK MP5 M-LOK Suppressor Handguard
MI Midwest Industries
MSRP: $199.95$189.95MI HK MP5 M-LOK Suppressor Handguard The Midwest Industries M-LOK suppressor handguard is designed to fit over your suppressor for extra protection and extending mounting options. Made in the USA from 6061 aluminum for a lifetime of service...HKP-21556MSRP: $199.95$189.95 -
H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used
H&K Heckler & Koch
$18.99H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clonesHKP-21555$18.99 -
Magpul Moe K2 XL AR Grip
Magpul
$22.95Magpul Moe K2 XL AR Grip Designed for shooters with larger hands, the K2-XL Grip is similar to the MOE-K2 Grip – AR15/M4 but nearly 25% bigger. A drop-in upgrade for the AR15/M4, it offers a more vertical grip angle thereby improving comfort...HKP-21554$22.95 -
HKP HK MR556/416 Dual Magazine Clamp
HKP HK Parts
$49.95HKP HK MR556/416 Dual Magazine Clamp Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic black, our dual mag clamp is a must for those...HKP-21553-M$49.95 -
HKP HK MP5 Receiver Flat - Smooth Top
HKP HK Parts
$125.95HKP HK MP5 Receiver Flat - Smooth Top The MP5 receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...HKP-21552$125.95 -
HKP HK MP5F Flat - Alternate Holes
HKP HK Parts
$125.95HKP HK MP5F 9mm Flat - Alternate Holes MP5 receiver flat crafted by the original German tool and die maker of the LSC receiver flat using factory original German prints and specifications. This receiver features alternate holes for the correct MP5F or...HKP-21551$125.95 -
HKP HK MP5K Receiver Flat - Smooth Top
HKP HK Parts
$129.95HKP HK MP5K Receiver Flat - Smooth Top The MP5K receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...HKP-21550$129.95 -
HK G3 Incomplete Backplate - Painted
H&K Heckler & Koch
$29.95HK G3 Incomplete Backplate - Painted Factory German G3 refinished backplate. This backplate was fully reconditioned and painted in the HK black finish for a factory look. A great replacement or spare to have around to replace your broken or worn out...HKP-21541$29.95 -
Uzi Sling
$49.95Uzi Sling - New Old Stock Original IMI sling new old stock complete with steel buckle, two leather loops and steel tip keepers. Once they're gone, they're gone for good. Compatible With: Action Arms Uzi Micro & Mini SMG Model A&B...HKP-21540$49.95 -
HKP HK 416 11.5" 5.56 Complete Upper Receiver Assembly
HKP HK Parts
$2,485.95HKP HK 416 11.5" 5.56 Complete Upper Kit Complete HKP 416 style complete upper assembly. This top-tier assembly seamlessly fits onto your mil-spec lower or a STS 416 lower, providing the perfect solution for those seeking an 11.5" 416 style upper without...HKP-21539$2,485.95 -
HKP 90 Series F1 Flat Trigger
HKP HK Parts
$49.95HKP 90 Series F1 Flat Trigger With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...HKP-21537$49.95 -
HKP MP5K .40 S&W Pistol Build Kit
$2,289.95HKP MP5K .40 S&W Pistol Build Kit MP5K 10mm complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and...HKP-21534$2,289.95 -
HKP MP5K 10mm Pistol Build Kit
HKP HK Parts
$2,289.95HKP MP5K 10mm Pistol Build Kit MP5K 10mm complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and suppressors...HKP-21533$2,289.95 -
Out Of Stock
B&T HK G36/G36K NAR Mounting Rail
B&T Brugger & Thomet
$339.95B&T HK G36/G36K NAR Mounting Rail with Emergency Sight B&T NAR (picatinny compatible) mounting rail for HK G36/G36K with emergency sight. Compatible With: HK G36 HK G36KHKP-21529$339.95 -
HKP MP5 .22LR Picatinny Rail Stock Adapter
HKP HK Parts
$134.95HKP MP5 .22LR Picatinny Rail Stock Adapter Our rail stock adapter enables seamless attachment of any 1913 Style Stock or brace to your MP5.22. The 1913 style stocks & braces firmly lock in place, offering superior cheek weld height compared to...HKP-21526$134.95 -
RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40HKP-21525$44.95 -
RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40HKP-21524$44.95 -
HKP HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95 -
B&T G36 (5.56/.223) Flash Hider for M.A.R.S QD Suppressor
B&T Brugger & Thomet
$144.99B&T G36 (5.56/.223) Flash Hider for M.A.R.S QD Suppressor Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shims Compatible With: HK G36 5.56/.223 firearms threaded 15X1 RH Compatible with the Following Suppressors: M.A...HKP-21522$144.99 -
Out Of Stock
RCM HK21 Barrel
RCM
$674.95RCM HK21 Barrel RCM HK21 are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance and aesthetic appeal. These barrels are the most cost-effective option to finish your HK21/FMP or HK11 build. You'll only need to add your own...HKP-21521$674.95 -
B&T HK 417/G36K Flash Hider
B&T Brugger & Thomet
$144.99B&T HK 417/G36K Flash Hider with Interface for Rotex III/V/VA Specifications: Made in Switzerland Threaded M15x1 NATO spec Does not include face shims Compatible With: HK G36K HK 417 APC223 APC556HKP-21520$144.99 -
HKP HK SP5 ACR Adapter
HKP HK Parts
$139.95HKP HK SP5 ACR Adapter We now offer the ultimate solution for converting the ACR Stock to be fully compatible with your MP5, SP5, and clones. Our cutting-edge aircraft grade aluminum MP5 ACR adapter comes with a pre-installed buffer, ensuring a seamless...HKP-21519$139.95 -
B&T HK G3/91 (7.62x51/.308) Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH
B&T Brugger & Thomet
$144.99B&T HK G3/91 (7.62x51/.308) Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH Compatible With: HK G3/91/PTR HK417/MR762 HK PSG1 7.62x51/.308 firearms threaded 15x1 RH Compatible With the Following Suppressors: M.A.R.S QD...HKP-21518$144.99 -
H&K HK 416 A5 Trigger Guard - RAL 8K
H&K Heckler & Koch
$54.95H&K HK 416 A5 Trigger Guard: Check out the factory H&K A5 trigger guard, now available in the highly desirable Ral8000 anodized finish. This is the latest and greatest addition to complete your A5 416 build. Compatible With: HK 416 A3/A5 HK...HKP-21517$54.95 -
H&K HK 417/G28 Patrol Handguard - RAL 8K
H&K Heckler & Koch
$1,849.95H&K HK 417/G28 Patrol Handguard - RAL 8000 Anodize HK 417/G28/MR762 PATROL HANDGUARD in RAL Anodizing - a factory genuine "Made in Germany" product. This rare find is a must-have for gun enthusiasts and collectors alike. Compatible With: HK 417 HK...HKP-21516$1,849.95 -
MI/HKP HK MP5 .22 LR Alpha Folding Stock
MI Midwest Industries
$419.95Midwest Industries/HKP HK MP5 .22 LR Alpha Folding Stock Brace Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to...HKP-21515-M$419.95 -
MI/HKP HK MP5K Alpha Folding Stock
MI Midwest Industries
$419.95Midwest Industries/HKP HK MP5K Alpha Folding Stock Brace Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your...HKP-21514-M$419.95 -
HKP HK USP .45/Mark 23 Magazine Extension Kit +7
HKP HK Parts
$59.95HKP HK USP .45/MK23 - Magazine Extension Kit +7 HKP highly recommends using a magazine loader when loading ammunition into our extended magazines due to increased spring tension versus factory. Includes: +7 magazine extension Extra power enhanced...HKP-21513-M$59.95 -
MI/HKP HK MP5 Alpha Folding Stock
MI Midwest Industries
$419.95Midwest Industries/HKP HK MP5 Alpha Folding Stock Brace Adapter The Midwest Industries Alpha folding stock paired with the HK Parts Picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your...HKP-21512-M$419.95 -
HKP HK VP9 Optics Plate #12 - AimPoint ACRO Optic Mount - Aluminum
HKP HK Parts
$49.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO - Optic Mount - Aluminum The finest all aluminum mounting solution for your HK VP9 series optic ready model. Each unit comes with 2 T20 steel torx plus screws for mounting the optic plate to your slide...HKP-21510$49.95 -
H&K HK21/FMP Drum Hanger & 100rd Drum
H&K Heckler & Koch
$1,288.95H&K HK21/FMP Drum Hanger & 100rd Drum Complete your HK21 or FMP21 build with the incredibly rare original H&K drum hanger and 100-round drum. These components have long been discontinued and are essential for completing a proper HK21 or...HKP-21509$1,288.95 -
H&K HK21E/HK23E Rear Sight Base
H&K Heckler & Koch
$79.95H&K HK21E/HK23E Rear Sight Base Genuine HK German rear site base. Requires post installation machining to accommodate a scope. Compatible With: HK21E HK23EHKP-21508$79.95 -
B&T Direct Thread 1/2x28 Hub Adapter
B&T Brugger & Thomet
$114.95B&T Direct Thread 1/2x28 Hub Adapter Convert any barrel to accept Hub devices with this direct fit adapter. Compatible With: MP5/K & SP5/K MR556 AR15 Any 1/2x28 threaded barrelHKP-21506$114.95 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin
HKP HK Parts
$49.95HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin The original thumb screw version for all stock block B's.HKP-21504$49.95 -
HKP HK MR556/HK416 FFRS Retaining Spring
HKP HK Parts
$4.99HKP HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the handguard locking pin on the free floating rail system (FFRS). These can become damaged with the removal of the handguard screws. Once the spring is damaged, they require...HKP-21503$4.99 -
Out Of Stock
H&K G36 IDZ Stock - Concave
H&K Heckler & Koch
$0.00H&K G36 IDZ Stock Concave When it comes to adjustable, folding G36 stocks, the IDZ tops the list. German made by HK with a concave buttpad for reliability and comfort. Features: 3 position forward & back 3 cheek piece elevation...HKP-21501$0.00 -
H&K HK 416 A5 Bolt Carrier Complete
H&K Heckler & Koch
$2,349.95German H&K HK 416 A5 Bolt Carrier Complete Get your hands on that critical puzzle piece for your factory-correct 416A5 build. Fully assembled and ready to drop into your uper receiver. Bolt carriers may be marked ".223 Rem" or "5.56 x 45"...HKP-21500$2,349.95