Rifle/SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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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 -
KCI 20 Round HK MP5, HK MP5K 9mm Magazine - Black
KCI
$39.9920 Round Magazine - KCI USA - Gen 2 - H&K MP5, MP5K Made in South Korea and imported by KCI USA. Curved for more reliable feeding, these 20-rounds MP5 magazines have been endurance tested by KCI and carry a Limited Lifetime Warranty. A perfect low...HKP-19418$39.99 -
HKP MP5 & HK94 Firing Pin Spring - Enhanced
HKP HK Parts
$4.95MP5 & HK94 Firing Pin Spring - Enhanced The "Enhanced" firing pin spring was analyzed and engineered from scratch with the latest in performance spring technology and an emphasis on reducing stress on the spring and increasing cycle life by 500%...HKP-02321$4.95 -
MI MP5 M-LOK Forearm
MI Midwest Industries
$124.95MI MP5 M-LOK Forearm Compatible professional grade one piece design Simple installation, include all tools Mil-spec top rail. Features 15 full and 5 half M-LOK slots. Features two anti-rotation QD sling swivel sockets. Constructed of 6061 aluminum, hard...HKP-18472$124.95 -
Out Of Stock
HKP MP5 SD 9mm Cocking Tube
HKP HK Parts
$129.95MP5 SD Cocking Tube - US MadeHK German MP5 SD spec cocking tube for use on MP5 SD style builds or custom SD builds. These are the finest MP5 SD cocking tube ever offered, Each unit is made from the original factory HK prints & tooling to the perfect...HKP-15700$129.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Folding Stock
H&K Heckler & Koch
$138.95HK German UMP Folding Buttstock Brand new German HK folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). All UMP folding stocks come with an HK date code. Compatible with: HK UMP .45 HK UMP .40 HK UMP 9mm HK...HKP-00252$138.95 -
H&K Sling Hook
H&K Heckler & Koch
$4.95Great For HK sling projects and for spares. Used in great shape and the real deal. This is the sling hook that all others look up to. Hard to find. 1" sling hook for slings webbing, etc. Used in good condition and pulled from factory HK slings. Made in...HKP-16315$4.95 -
Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit
Lazy Wolf
$19.95NEW PRODUCT OFFERING FOR 2021 - Based on the Lazy Wolf Guns Design. We now have an intermediate drop in set of springs for the utmost in performance and reliability in ALL VP9 family pistols. Defensive carry, Duty drop-in spring kit will give your...HKP-19515$19.95 -
HKP, H&K 17 Round HK Mark 23 / USP .45 ACP Complete Magazine - Black
$119.95Magazine Extension Complete - 17 Round - HK Mark 23/USP .45 Mark 23 magazine extension +5 adds five additional rounds to the full-size HK Mark 23 12 round magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing...HKP-19465$119.95 -
H&K Push Pins (One large & One small)
H&K Heckler & Koch
$15.49HK Set Of Two (One Large And One Small) Push Pins -Used These are great replacements or spare parts to keep on hand. Compatible with: HK91 G3, 33, and 93 MP5 SP89 PTR or even the GSG-5 family of guns. Please note: The GSG5 will take the...HKP-00673$15.49 -
HKP Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced
HKP HK Parts
$2.39New Enhanced material for greater longevity and durability. Our US made recoil rod guides are the made from the strongest most durable material available much better than the basic nylon as used by HK. This item is a high wear item & is great to have...HKP-17829$2.39 -
HKP Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95A must have item for storage of much needed 123 batteries for your gear such as optics, lasers, illuminators, etc. This HK grip plug will fit all Navy Style or Ambidextrous housings that have the holding tabs in the bottom of the grip for the tension...HKP-16468$29.95 -
H&K Roller Retainer Pin - New Style
H&K Heckler & Koch
$6.95HK Roller Retainer Pin, Clamping Sleeve- New Style This part works with all roller retainer plates and springs. HK started this change of roller retainer pins starting in all 2011-produced bolt heads. Works with all styles of roller retainer plates...HKP-01954$6.95 -
HKP MP5, HK94 Case Deflector Rivet
HKP HK Parts
$1.95Each case deflector will require 2 rivets to attach the case deflector to the receiver or flat. If you want the factory look and feel of doing it right these rivets are a must. These are a factory correct rivet that provide a fantastic look and as close...HKP-18008$1.95 -
HKP HK 416 .22 Picatinny Pistol Brace Adapter/Stock Adapter
HKP HK Parts
$69.95CNC billet machined 100% in the USA from one piece of aircraft grade aluminum. Each adapter was fitted for optimal use on the HK 416 .22 Pistol models with a seamless fit. Each unit has a left and right side QD attachment point as well as a solid...HKP-19742$69.95 -
HKP HK MP5/91/G3/93/33/53 Picatinney Rail Mount For Front Sight Tower
HKP HK Parts
$39.95FRONT SIGHT TOWER RAIL MOUNT- Lights & Lasers HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-16672$39.95 -
HKP HK UMP (9mm) 30 Round Magazine
HKP HK Parts
$49.95UMP 9mm 30 Round Factory Magazine - USAUMP 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 -
HKP Rear Sight Oval Washer
HKP HK Parts
$2.95HKP Rear Sight Oval Washer HK German oval washer for the rear sight diopter style assemblies. This is the needed washer used in conjunction with the locking washer. Fits and works with all diopter-style rear sights.HKP-00870$2.95 -
H&K SEF Long Axle Selector Lever - Polymer Housing
H&K Heckler & Koch
$39.95H&K SEF Long Axle Selector Lever - Polymer Housing If you have a polymer SEF housing such as the contoured type with finger grooves or the SEF navy style grip frames as well as the 0,1 polymer housings this is the correct selector lever...HKP-00119$39.95 -
Grayguns HK USP, HK45 Short Reset System
Grayguns
$90.00Our Short Reset System for the HK USP and HK45 replicates the short reset conversion available in our in-house custom action work. Cut from bar stock steel, these kits provide an exacting fit for easy install.The kit...HKP-19753$90.00 -
H&K Oversized Barrel Retaining Pin - 5.25mm
H&K Heckler & Koch
$9.95HK Factory German Oversized Barrel Retaining Pin. This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunion. Each pin is slightly...HKP-16954$9.95 -
H&K MP5, SP5, HK94 4 Position A3 F Retractable Rear Stock
H&K Heckler & Koch
$624.95HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position This German HK A3 retractable is the latest & greatest HK retractable German stock available. The F stock is designed to take the abuse of heavy +P & +P+ rounds as well...HKP-17614$624.95 -
HKP HK UMP (.45 ACP) 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .45 Cal 15 Round Magazine - USAEach ultra compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber conversions. Each magazine features, steel feed lips, enhanced polymer contruction and all...HKP-17585$49.95 -
H&K 91/G3 (7.62x51 / .308) Navy Style Trigger Housing (SEF) - Push Pin - Used
H&K Heckler & Koch
$29.95HK German HK91, G3, PTR Navy Style Trigger Housing Push Pin Style - Used In Good Working ConditionGerman made Heckler & Koch grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers...HKP-17354$29.95 -
H&K 91/G3 (7.62x51 / .308) 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
$26.95HK German 20 Round Steel Magazine - Very Good To Excellent Shape Each magazine in this offering is the best of the used steel surplus magazines available, features the best finish, and has the lowest amount of wear possible. No longer in production,...HKP-00834$26.95 -
On Sale
ETS 40 Round HK MP5 9mm Magazine - Carbon Smoke
Elite Tactical Systems
Now: $14.95Was: $22.9940 Round Magazine - Elite Tactical Systems - 9mm - HK MP5 - Carbon Smoke MAG FEATURES Fits the Heckler & Koch: HK94, MP5, MP5K, SP5, SP5K, SP5L, SP89 Extended 40-round capacity Base plates interchangeable with ETS line of 9mm double...HKP-20721Now: $14.95Was: $22.99 -
H&K 15 Round MP5/SP5/MP5K/SP5K 9mm Curved Magazine
H&K Heckler & Koch
$80.00HK German MP5, MP5K, SP5, SP5K - 15 Round Magazine Brand new factory fresh German HK 15 round curved magazine.Fits the following: HK MP5, Sp5 HK MP5K, SP5K HK SP89 HK 94 Custom HK 9mm builds & clonesEach magazine is stamped 9X19mm and is new HK...HKP-02409$80.00 -
H&K Cocking Tube End Cap-Aluminum
$12.95H&K Cocking Tube End Cap-Aluminum New US Made Cocking Tube End Cap (Dust Caps). Made from aircraft grade aluminum alloy, much lighter to save on weight. Built To Last!HKP-02806$12.95 -
H&K MP5, HK94 Recoil Spring
H&K Heckler & Koch
$12.95HK German MP5, HK94 Recoil Rod Assembly Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible with: HK MP5 HK94 Zenith, POF, AA Clones & custom buildsHKP-01652$12.95 -
Uzi Recoil Spring Assembly
IMI
$14.95Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.HKP-19918$14.95 -
Out Of Stock
HKP Single Point Sling - HK Style - Black
HKP HK Parts
$34.95HK Single Point Sling in BlackSpecifications: Composition: Thick, all black, heavy-duty Cordura nylon Style: Bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic coverMade in the USA and comes...HKP-02644$34.95 -
HK 91/G3 (7.62x51 / .308) Magazine Follower
$19.95Magazine Follower - USA - HK 91, G3, PTRUSA made magazine follower for HK 91, G3 magazines. This follower is made 100% in the USA and counts as one US made compliant part needed for builds and conversions for 922R Compliance.HKP-18997$19.95 -
Out Of Stock
H&K MP5 Armorer's Manual - 90 Pages
H&K Heckler & Koch
$19.95H&K MP5 Armorer's Manual - 90 Pages Table of Contents History of Heckler and Koch General Information Exterior Nomenclature Safety Check / Clearing Procedure Markings on the MP5 Major Variants (Model variants) Operator Use / Field Stripping Care...HKP-00101$19.95 -
HK 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine Floor Plate
$19.95HK 91, G3, PTR - 20 Round Magazine Floor Plate - USA USA Made Floor Plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made 100% in the USA and counts as one US made compliant part needed for builds and conversions...HKP-18921$19.95 -
HKP MP5 SD Sealing Ring - Enhanced
HKP HK Parts
$9.95The enhanced sealing ring is made from a newer longer lasting material as well as having a slightly thicker profile for secure sealing and longer longevity. Each HK MP5 SD sealing ring is the sealing gasket that seals the SD suppressor against the...HKP-18053$9.95 -
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...HKP-02320$99.95 -
H&K HK MP5K SEF Navy Push Pin Style Housing - Like New
H&K Heckler & Koch
$99.95HK German SEF MP5K “Navy Style” Push Pin SEF Trigger Housing- Like New HK German factory date coded 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...HKP-20576$99.95 -
Magpul HK MP5/SP5, HK94 SL Stock - Black
Magpul
$159.95Magpul - SL Stock - MP5, SP5 The Magpul SL Stock HK94/MP5, SP5 delivers the modern qualities found in our original MOE SL® Carbine Stock for AR15/M4 carbines to MP5-pattern rifles. Durable, lightweight, and collapsible, the SL incorporates Magpul...HKP-20023$159.95 -
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 (7.62x51 / .308) Wood Stock - Surplus
H&K Heckler & Koch
$119.95HK German G3, 91, PTR Wood Stock Complete - USEDEach stock includes: Metal Backplate With Recoil Spring Installed Buffer Assembly Complete Wood Stock Section With ButtpadComplete rear stock for HK91/G3, PTR. These stock sets were in use with the German...HKP-02554$119.95