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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PTR HK 91/G3/51 (7.62x51/.308) Flat With Weldment Set
PTR
$166.95HK91, G3, PTR, CETME Flat & Weldment Combo - PTR Made by PTR91 on original HK tooling using factory specifications and a properly stamped receiver ready to roll and build. No FFL is required as this is an unfolded flat. Compatible With: HK G3...HKP-02086$166.95 -
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 -
HKP Universal M-LOK Long Grip
HKP HK Parts
$24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...HKP-20680$24.95 -
HKP MP5SD Front Sight Tower With Cocking Tube End Cap
HKP HK Parts
$69.95HKP MP5SD Front Sight Tower With Cocking Tube End Cap MP5SD Front Sight Assembly Complete - USA MP5SD fashioned front sight tower with cocking tube end cap machined as one solid billeted piece. Never before offered and the finest MP5SD front sight...HKP-17834$69.95 -
UTG HK MP5 PRO Handguard with Extended Upper Picatinny Mount - Black
UTG
$199.97 - $454.95UTG HK MP5 PRO Handguard with Extended Upper Picatinny Mount - Black Made in the USA. Compatible With: HK MP5 HK94 SP5 AP5 MP5 clones that do not have a weld-on optics rail. Please Note: This does NOT fit the MP5 .22LR models.HKP-20739-M$199.97 - $454.95 -
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 -
MKE 30 Round AP5 Magazine
MKE
$49.95HK MP5 30 Round Magazine - MKE - AP5 These MKE MP5 30 round magazines are the perfect addition or replacement for your AP5 or MP5 pistol. The MKE magazine features the original MP5 design. Constructed of heat-treated steel for lasting...HKP-21184$49.95 -
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 -
Out Of Stock
HKP MP5, MP5K Cocking Handle - Extended
HKP HK Parts
$39.95HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...HKP-17149$39.95 -
RCM 36 Degree Locking Piece #17
RCM
$49.95RCM 36 Degree Locking Piece #17 These are great to use when using a suppressor on your HK91 and G3 style of firearm. Compatible With: HK G3, 91, PTR HK Custom Builds or clones HK 21E seriesHKP-02520$49.95 -
Out Of Stock
HKP HK VP/P30/45 RMR Pistol Mount - Black
HKP HK Parts
$49.95Trijicon RMR Pistol Mount RMR mounting plate to allow the use of the following: Trijicon RMR & SRO models Holosun HE407C / HE407C X2 / HE507C / HE507C X2 / HS407C / HS407C X2 / HS507C / HS507C X2 508T Swampfox Kingslayer / Liberty /...HKP-18503$49.95 -
HK MP5, HK SP5 Rear Sight Sets Complete
H&K Heckler & Koch
$79.95MP5, HK94 & SP5K Rear Sight Set Complete - US/German Each rear sight set includes the entire rear sight assembly & all the mounting hardware for the complete MP5 rear sight assembly. All parts are German HK manufacture with the exception of the...HKP-19365$79.95 -
HKP HK UMP (9mm) 30 Round Magazine
HKP HK Parts
$49.95UMP 9mm 30 Round Factory Magazine - USA UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30 round magazine capacity. Each magazine counts as 3 U.S. Made compliant parts as an added bonus! This is the finest...HKP-17701$49.95 -
Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange
Blitzkrieg Components
$56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The bright orange chevron stripe offers...HKP-20454$56.99 -
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 -
H&K 10 Round HK USPC/P2000 9mm Flat Floorplate Magazine - Black
H&K Heckler & Koch
$49.0010 Round HK USPC/P2000 9mm Flat Floorplate Magazine - Black Perfect for concealed carry as the floor plate is flush rather than extended. New HK German mag. Compatible With: HK USP Compact 9mm HK P2000 9mm HK P2000 SK 9mm (will extend below the mag...HKP-01476$49.00 -
Out Of Stock
H&K 13 Round USPC/P2000 9mm Magazine Floor Plate w/ Pinky Rest - Black
H&K Heckler & Koch
$8.9513 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$8.95 -
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 -
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 -
25 Round HK UMP 45 LWRC SMG 45 Magazine - FDE
USA
$49.9525 Round HK UMP 45 LWRC SMG 45 Magazine - FDE Made from advanced polymer material with steel feed lips, just like the German UMP 45 magazine, at a fraction of the cost. Compatible With: HK UMP .45 LWRC SMG .45 (This magazine is the factory OEM magazine...HKP-20367$49.95 -
HKP HK VP9L Rail Mount Compensator
HKP HK Parts
$134.95 - $169.95HKP HK VP9L Rail Mount Compensator Specifications: Length: 4 1/4 inches Height: 2 1/2 inches Weight: 5 oz. Torque: 3nM / 26 inch-lbs Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. Please Note: This is not to be used with...HKP-21074-M$134.95 - $169.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
$11.95HK USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP modelsHKP-18746$11.95 -
Out Of Stock
HKP HK MP5K Vertical Grip VFG M-LOK - Black
HKP HK Parts
$49.95HKP HK MP5K Vertical Grip VFG M-LOK - Black Our VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Made in the USA...HKP-20737$49.95 -
H&K VP9 9mm Tactical Barrel - Threaded 13.5x1 LH
H&K Heckler & Koch
$284.95H&K VP9 9mm Tactical Barrel - Threaded 13.5x1 LH Precision-made in Germany by HK from cold hammer forged (CHF) ordnance-grade steel, this is the finest threaded factory barrel available for the HK VP9 or VP9 Tactical pistol. Ideal as a spare or...HKP-17995$284.95 -
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 MP5 40/10 30 Round Magazine
HKP HK Parts
$49.95MP5 40/10 30 Round Magazine - US Each magazine comes black in color. Each magazine also counts as 3 US made compliance parts to aid in 922r compliance. Compatible With: MP5 .40 Cal MP5 10mm MP5 .357 Sig MP5 9X25mm Dillon Vector, Coharie, and other...HKP-16456$49.95 -
H&K 13 Round HK VP9SK/P30SK 9mm Magazine - Black
H&K Heckler & Koch
$49.00HK VP9SK & P30SK 9mm - 13 Round Magazine New German HK manufacture 13 Round 9mm P30SK, VP9SK magazine. Compatible With: P30 SK HK VP9SKHKP-18495$49.00 -
B&T MP5 Folding Stock
B&T Brugger & Thomet
$319.95B&T Folding Stock For All MP5 Full Size Variants Swiss-made B&T folding stock for the MP5 & HK94. This is a military-grade stock as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and...HKP-00460$319.95 -
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 -
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 -
HKP HK MP5 .22 Sling Clip Kit - Black
HKP HK Parts
$24.95HKP HK MP5 .22 Sling Clip Kit - Black Each unit will fit all models of the MP5 .22 that have the 3 mounting holes on the left side of the magwell. This item installs in a few mins and comes complete with all you need for the install. With the addition of...HKP-15706$24.95 -
HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest
HKP HK Parts
$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$24.95 -
HKP MP5, HK94 & SP5K Rear Sight Drum & Base
HKP HK Parts
$53.47HKP MP5, HK94 & SP5K Rear Sight Drum & Base Finally an affordable factory correct rear sight that does not break the bank or lead to settling for inferior 3rd world produced pot metal cast MP5 rear sights. We offer the only set that includes an...HKP-17512$53.47 -
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 -
H&K 91/G3 (7.62x51/.308) 20 Round Factory Sealed Mag Pack - 5 Pack
H&K Heckler & Koch
$119.95Factory HK Sealed 5 Pack German 20 Round Magazine - G3, 91, PTR Brand new old stock factory sealed 5 pack German manufactured paratrooper alloy magazines. No longer in production and getting harder to find in new condition. These mags are the real deal,...HKP-18037$119.95 -
Sale
Magpul 30 Round AR-15, HK MR556, HK 416 PMAG M3 Magazine
Magpul
Now: $12.95Was: $18.95Magpul 30 Round AR-15, HK MR556, HK 416 PMAG M3 Magazine This magazine is the latest and greatest M3 model - NON-windowed PMAG (Polymer Magazine) and is a lightweight 5.56 NATO, M-16 compatible magazine. It features a pop-off storage/dust cover that...HKP-00639Now: $12.95Was: $18.95 -
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 -
H&K HK P2000SK Low Profile Floor Plate - Black
H&K Heckler & Koch
$26.95New HK German P2000 SK Magazine Flat Floor plate Low profile style without the finger rest and best for concealed carry or a low profile. This is the perfect upgrade for those who want a slim profile and less obtrusive effect when carrying...HKP-01676$26.95 -
HKP 13 Round HK 45/45 Tactical .45 ACP Magazine - Black
HKP HK Parts
$104.95HKP 13 Round HK 45/45 Tactical .45 ACP Magazine - Black HK45 & HK45 Tactical +3 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 13 round HK45, HK45 Tactical magazine. Ideal for conceled...HKP-18387$104.95 -
HKP MP5 A3 Retractable Stock Buffer
HKP HK Parts
$6.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable Stocks The A3 stock buffer is a high wear and common replacement items that does need to be replaced when they become torn, cracked, brittle, discolored & worn. These units are made from...HKP-18160$6.74