All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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H&K HK USPC/45/45C Magazine Floor Plate - Black
H&K Heckler & Koch
$23.95H&K HK USPC/45/45C Magazine Floor Plate - Black Ideal for use for concealed carry or a lower profile on the magazine footprint. New HK German manufacture. Compatible With: HK USP Compact .45 HK USP Compact Tactical .45 HK45C HK45C TacticalHKP-01123$23.95 -
HK USP/USPC/45 Match Hammer Spring
H&K Heckler & Koch
$18.95HK USP, USPC, & HK45 Match Hammer Spring The match hammer spring is also known as the USPC standard hammer spring. This is also the correct spring needed for the light, TGS, and LEM conversion for the USPC & other custom pistol configurations...HKP-01410$18.95 -
H&K 13 Round USPC/P2000 9mm Magazine Floor Plate w/ Pinky Rest - Black
H&K Heckler & Koch
$24.9513 Round USPC & P2000 9mm Magazine Floor Plate w/ Pinky Rest - Black This part is the new style floor plate that is rubberized to resist breakage when the magazine is dropped. Compatible With: HK USPC 9mm 13-round magazines HK P2000 9mm...HKP-02648$24.95 -
HKP Binary Selector Lever Set Screw
HKP HK Parts
$1.98HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension and very easy to misplace. A must have set screw to...HKP-20686$1.98 -
HKP MP5 & MP5K 9MM Magazine Follower - RED
HKP HK Parts
$8.95HKP MP5 & MP5K 9MM Magazine Follower - RED Teflon infused glass filled polymer red colored follower that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the follower to a red follower. A great training or...HKP-18302$8.95 -
HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest
HKP HK Parts
$17.95 - $24.95HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest The mag extension also provides a pinky rest that is super well-balanced and rock-solid. Made in the USA from billeted aluminum. The +2 mag extension not only provides a place to rest the pinky, but...HKP-21076-M$17.95 - $24.95 -
HKP HK MP5 M-LOK Wide Forearm - Black
HKP HK Parts
$49.95HKP HK MP5 M-LOK Wide Forearm - Black MP5 Wide handguard with M-LOK slots to quickly and easily attach any M-LOK style accessory. This is a great option for those that want to keep a factory MP5 look and still have the ability to add vertical grips,...HKP-21437$49.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push pin firearms that do not require a clipped and pinned housing to be...HKP-20576$99.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - Black Rubberized - Surplus
H&K Heckler & Koch
$9.95HK German HK G3 & HK 91 Rubberized Cocking Handle- Black Used German military surplus from G3 Military rifles. Each comes complete, black in color. Date coded. Made by HK for the German military. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK...HKP-17083$9.95 -
HKP 12 Round HK45C, HK USPC .45 ACP Magazine - Black
HKP HK Parts
$79.95HKP 12 Round HK45C, HK USPC .45 ACP Magazine - Black HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit is then fully assembled as a 12 round HK45C magazine. Ideal for competitive shooters, concealed carry...HKP-18672$79.95 -
H&K UMP (.45 ACP) 25 Round Magazine
H&K Heckler & Koch
$145.95New HK German Non-LE/Mil Marked UMP .45 ACP 25 Round Magazine The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45 conversions HK...HKP-00605$145.95 -
B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach
B&T Brugger & Thomet
$124.95B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach B&T Switzerland has supplied these to law enforcement and military units around the world. Rock-solid, mil-spec quality from an H&K OEM manufacturer.This flash hider slips over the end of...HKP-16902$124.95 -
H&K 15 Round HK VP9/USPC/P Series Magazine Housing - Black
H&K Heckler & Koch
$29.95H&K 15 Round HK VP9/USPC/P Series Magazine Housing - Black Brand new HK German factory magazine body for the 15 round 9mm magazine. Will also work with the 17 round and 20 round magazine components. This mag body is marked with the 1-15 round witness...HKP-16655$29.95 -
Out Of Stock
H&K MP5 & MP5K 9mm Cleaning Kit
H&K / HK Parts
$84.95HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K cleaning kit complete. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder HK Chamber Face Brush (Made in the USA) 9mm MP5 Barrel Flute Brush Phosphor Bronze Bore Brush Double-Ended...HKP-00347$84.95 -
On Sale
HKP HK VP9 Match Rail Mount Compensator
HKP HK Parts
$139.95 - $184.95HKP HK VP9 Match Rail Mount Compensator It has a sleek design that flows with the lines of the Heckler & Koch VP9 match for a seamless addition, with multiple ports at the muzzle and the added weight of the rail compensator to significantly reduce...HKP-21081-M$139.95 - $184.95 -
H&K MP5 & MP5K Firing Pin Spring
H&K Heckler & Koch
$26.95H&K MP5 & MP5K Firing Pin Spring The latest firing pin spring features a stronger and more durable braided design, surpassing the standard non-braided spring in performance and longevity. Compatible With: MP5, HK94, SP5 MP5K, SP5K,...HKP-00063$26.95 -
H&K MP5 , HK94 Factory A3 Stock
H&K Heckler & Koch
$939.95H&K MP5 & HK94 Factory A3 Stock The original Navy-style German HK MP5 A3 stock is no longer in production and is quite hard to find as they have been replaced with the MP5 F-style stock. Each offering is the second generation MP5 A3 Navy-style...HKP-00167$939.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus
H&K Heckler & Koch
$19.95H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus: HK German 20 Round Steel Magazine Used - Surplus Condition Used German manufacture all steel magazine. They range from Fair to VG shape. Each magazine is a bargain for what you get...HKP-17696$19.95 -
X-Grip HK USPC/P30 Magazine Adapter - Black
X-Grip
$15.95X-Grip HK USPC/P30 Magazine Adapter - Black The XGRIP HKUSPC is a new patent pending OEM factory accessory for the HK USP Compact that enhances the versatility, look, and feel of the gun. Features: Versatility: Size of a Compact, capacity of a...HKP-16671$15.95 -
H&K HK 12 Round VP9SK/P30SK 9mm Extended Floorplate Magazine - Black
H&K Heckler & Koch
$49.00H&K HK 12 Round VP9SK/P30SK 9mm Extended Floorplate Magazine - BlackHKP-20604$49.00 -
PTR HK 91/G3 (7.62x51/.308) Receiver Flat
PTR
$99.95HK G3, 91, PTR & CETME Flat - PTR Made by PTR with original HK tooling using factory specifications and a properly stamped receiver. No FFL is required as this is an unfolded flat that ships directly to the customer. This US made receiver flat...HKP-02320$99.95 -
H&K Magazine Catch, Push Button Roll Pin
H&K Heckler & Koch
$4.95H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...HKP-01918$4.95 -
H&K Small Push Pin Replacement Spring
H&K Heckler & Koch
$1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in...HKP-20368$1.95 -
HKP 9mm Micro Comp - Threaded 13.5x1 LH
HKP HK Parts
$29.95HKP 9mm Micro Comp - Threaded 13.5x1 LH This lightweight micro comp functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any factory spec 13.5x1 9mm barrel. It was developed to provide concealed...HKP-19849$29.95 -
H&K 10 Round HK MP5, MP5K - California Compliant Magazine
H&K Heckler & Koch
$88.95California Complaint Magazine 10-30 - MP5, MP5K - German - New This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay legal in...HKP-20670$88.95 -
Out Of Stock
H&K +4 Roller For Bolt Head 8.04mm - Over-sized
H&K Heckler & Koch
$19.95H&K +4 Roller For Bolt Head 8.04mm - Over-sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...HKP-00508$19.95 -
HKP MP5/K Thread Protector - Threaded 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 style barrels, it is the factory-correct protector for...HKP-16883$14.95 -
UTG HK MP5K Handguard
UTG
$198.97UTG PRO, MP5K MLOK Handguard with Picatinny Receiver Extension The new UTG PRO MP5K MLOK handguard with picatinny receiver extension is incredible. This thing is stunning! The machining, finish and fit are flawless. The assembly is incredibly...HKP-21151$198.97 -
HKP 22 Round HK VP9, HK P30 9mm Complete Magazine - Black
HKP HK Parts
$79.95HKP 22 Round HK VP9, HK P30 9mm Complete Magazine - Black Drop in magazine ready to go! HK Parts takes an existing 17 round magazine and a +5 magazine extension to assemble them into a working 22 round magazine. Compatible With: HK VP9 HK...HKP-19295$79.95 -
H&K HK VP9/VP9SK, HK VP40 Trigger Return Spring
H&K Heckler & Koch
$3.95H&K HK VP9/VP9SK, HK VP40 Trigger Return Spring HK German stock trigger return spring. A must have spare part as the factory spring will wear with use. The TRS can also be damaged upon install if the spring tool is not used to install. Please order...HKP-16783$3.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail With Hardware
UTG
$24.95HK UMP, USC Side, Bottom Rail With Mounting Hardware - Aluminum Listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm. 1 each for the sides and 1 for the bottom for a total of 3 rails. Each rail is made...HKP-00598$24.95 -
HKP 9mm 3-Lug Adapter - Threaded 1/2x28
HKP HK Parts
$49.95HKP 9mm 3-Lug Adapter - Threaded 1/2x28 The HK 3-Lug Adapter is a premium component designed to enhance your setup. It features internal 1/2x28 threading, allowing you to attach it to existing 1/2x28 threaded applications. This adapter enables the use...HKP-00106$49.95 -
B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint
B&T Brugger & Thomet
$99.95B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint Ideal for use with the Aimpoint line of T-1/T2 & H-1/H2 type of optics. This mount is the lowest low profile mount available for use with the T1/T2 style of mounting system. This same mounting...HKP-16862$99.95 -
HKP 9mm Vented Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp and Thread Protector is designed to be lightweight and functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any factory spec...HKP-19721$29.95 -
H&K P30L 9mm Tactical Barrel - Threaded 13.5x1 LH
H&K Heckler & Koch
$299.95H&K P30L 9mm Tactical Barrel - Threaded 13.5x1 LH Made in Germany at the HK factory from HK German Cold Hammer Forged barrel blanks, heat treated and finished to HK specs. This is the only HK factory manufactured P30L threaded barrel. The finest...HKP-16746$299.95 -
HKP HK 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Carrier Assembly & Disassembly Tool
HKP HK Parts
$19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...HKP-00785$19.87 -
H&K 20 Round HK MR762/417 7.62/.308 Magazine - RAL 8K
H&K Heckler & Koch
$69.95New HK MR762, HK417 20 Round Magazine- RAL 8000 Genuine HK 20 round magazine. Factory fresh & hard to find. This is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK G28HKP-18608$69.95 -
H&K MP5 & MP5K F Style Roller Retainer Plate - 3rd Gen
H&K Heckler & Koch
$14.95HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...HKP-00069$14.95 -
HKP MP5 Sling Clip for Magwell
HKP HK Parts
$9.95HKP MP5 Sling Clip for Magwell This is the factory correct sling clip that attaches to the left hand side of the magwell. Note: 3 rivets are required to attach - sold separatelyHKP-18313$9.95 -
Magpul HK MP5, HK 94, HK 93, HK 91, PTR SL Grip Module Semi Shelf - Black
Magpul
$59.95Magpul - SL Grip Module - HKMP5/94/93/91 & Semi Shelf & HK Clones The Magpul SL Grip Module is a high-strength, injection-molded polymer grip module for HK MP5/94/93/91 & Semi Shelf HK Clones*. Designed with improved ergonomics, a non-slip...HKP-19320$59.95