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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MP5K, SP89 & SP5K - Forearm With Handstop
$29.95MP5K, SP89, SP5K, Reverse Stretch Forearm With Hand Stop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922R compliance. This is the finest forearm available for your HK firearm. Made...HKP-16466$29.95 -
Out Of Stock
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 Fits all HK MP5, MP5K variants. 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...HKP-16862$99.95 -
HKP HK 91/G3 (7.62x51 / .308) Weldment Set Complete
HKP HK Parts
$64.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...HKP-17509$64.95 -
JMAC Customs MP5K/SP89/SP5K 9mm Rear Stock Adapter with Picatinny Rail
JMAC Customs
$94.95This Rear Stock Adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock setups. This Stock Adapter Features: -7076 T6...HKP-18990$94.95 -
Raddlock MP5 & MP5K Magazine Block - 10 Round
Raddlock
$9.95Magazine Block Plug To Reduce HK MP5 30 Round Magazine To 10 rounds MP5 10/30 mag block plug. This is designed to be used on the HK MP5 30 Round Magazine. Very easy to install & use. Compatible With: MP5, MP5K clones or other custom...HKP-02434$9.95 -
Out Of Stock
Bill Springfield HK 91 Improved Buffer System
Bill Springfield
$79.95HK Improved Buffer System - HK91Bill Springfield developed a new piston and spring assembly that reduces the felt recoil up to 30% on any HK or clone utilizing the standard assembly. This piston is 2x longer than stock, the spring is about 25% lighter...HKP-19914$79.95 -
Out Of Stock
H&K Barrel Retaining Pin - 5.15mm
H&K Heckler & Koch
$0.00H&K Barrel Retaining Pin - 5.15mm 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 oversized for...HKP-01662$0.00 -
HKP HK MP5 .22LR M-LOK Pistol Model Handguard
HKP HK Parts
$99.95HKP HK MP5 .22LR M-LOK Pistol Model Handguard The MLOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required a true drop in option. Designed from the ground up by HK enthusiasts with your shooting...HKP-20305$99.95 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail
HKP HK Parts
$49.95HK USC, UMP Top Receiver Rail With Hardware. The Extended Length Allows The Use Of All Optics That Fit On A Picatinny Rail. This unit has a contoured no snag design for ease of use and a beautiful fit. Made in the USA. Made from billet machined aluminum...HKP-14541$49.95 -
H&K 10 Round HK MR762/417 7.62/.308 Magazine - Black
H&K Heckler & Koch
$59.00HK MR762, HK417 10 Round Magazine - German HK Genuine HK German 10 round MR762 magazine. Compatible With: MR 762 HK 417 HK G28HKP-02590$59.00 -
MP5 & HK94 Recoil Rod Assembly
USA
$37.95HK MP5, SP5, & HK94 Recoil Rod Assembly - Complete And Micro-Polished All stainless steel rods and ends. This is a great item to have on hand as a spare part. Compatible With: HK MP5, HK SP5, HK94 HK MP5 SD HK MP5 full-size clones...HKP-02168$37.95 -
SB Tactical HK MP5 .22LR Pistol Stabilizing Brace
SB Tactical
$149.95SB Tactical - HK MP5 .22LR Pistol Stabilizing Brace The SBT5-22 Pistol Stabilizing Brace® enhances your HK MP5 .22LR with an integral, side-folding polymer endplate. The SBT5-22 gives you all of the advantages of a pistol with improved control by...HKP-21226$149.95 -
H&K 40 Round HK 93, 33, 53 5.56 x 45mm/.223/300 Magazine - Used
H&K Heckler & Koch
$80.00HK93, HK33, HK53 - 40 Round Magazine - Genuine German HKHK Factory German 40 round surplus magazine. This factory magazine is long since out of production and is made from Aluminum, steel and polymer. Used in good condition. A rare find and only...HKP-19761$80.00 -
H&K 91/G3 (7.62x51 / .308) Firing Pin Spring
H&K Heckler & Koch
$9.95HK German HK G3, HK91, & PTR Firing Pin Spring This is a common repair and replacement item and is great for spares as this is a common breakage part.HKP-00498$9.95 -
H&K HK MR556/MR762/416/417 Battle Grip w/ Storage - Black
H&K Heckler & Koch
$79.95HK 416, MR556, MR762, & HK 417 Battle Grip With Storage Compartment New HK German factory battle grip with a storage compartment in the bottom. Each grip will fit all AR-15/M-16 lower receivers as well. It has a superior fit and feel to any other...HKP-00033$79.95 -
H&K HK MR556/MR762/416/417 Firing Pin Spring
H&K Heckler & Koch
$14.95HK MR556, MR762 Firing Pin Spring - German This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible With: HK MR556 HK MR762 HK 416 HK 417 HK...HKP-00928$14.95 -
HKP HK MP5 .22 Dual Magazine Clamp
HKP HK Parts
$29.95HK MP5 .22 Dual Mag Clamp/Coupler The MP5 .22 magazine grip or dual magazine clamp. Fits all MP5 .22 magazines. Holds two magazines together for ease of use and easy access to 2 magazines. This is the way to go if you want to have multiple...HKP-20856$29.95 -
HKP HK MR762/417/G28 Buffer Tube Wrench - Black
HKP HK Parts
$29.95The perfect metric wrench to remove and install the MR762 & G28 castle nuts on the buffer tube. A perfect addition to have on hand for G28 buffer tube upgrades, etc. Made from all steel, heat treated and made to last for a lifetime of use. A must...HKP-17111$29.95 -
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 -
3 Point Factory Sling HK German - Green
$69.953 Point Factory Sling HK German - Green New HK German manufactured. This sling can be used as a 2-point or 3-point sling on your HK firearm. This sling is the factory HK-issued sling that came on the 90 series of firearms. Compatible...HKP-00182$69.95 -
B&T Quick Detach Short Style Vertical Grip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...HKP-17679$74.95 -
H&K HK MR556/MR762/416/417 Handguard Rail Cover - Black
H&K Heckler & Koch
$19.95HK 416, MR556, & MR762 Quad Rail Picatinny Rail Cover - Black Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible...HKP-01743$19.95 -
H&K Roller Retainer Plate For Rollers
H&K Heckler & Koch
$25.95New HK German Roller Retainer Plate For Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5, 94 MP5K, SP89 HKG3, 91,...HKP-00065$25.95 -
Out Of Stock
HKP MP5 9mm - 3 Lug Flash Hider
HKP HK Parts
$99.95Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in spec aftermarket conversions...HKP-17228$99.95 -
B&T MP5 & HK94 UMP Style Folding Stock
B&T Brugger & Thomet
$279.95B&T MP5 & HK94 UMP Style Folding Stock New Swiss/German HK Made B&T Folding Stock for the MP5/ SP5 Full Size. These are hard to find and the real deal. 100% Swiss & German HK Made. Fits all HK MP5, SP5, 94, and other full size or clones...HKP-16928$279.95 -
Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames
Ergo
$59.95Just in updated Gen 2 model a great upgrade if you want the PSG1 style grip frame for your HK firearm.The ergonomically enhanced ERGO Tactical Deluxe Grips fits all metal HK grip frames both the semi auto & full auto metal grip frames.Fits All metal...HKP-14092$59.95 -
Botach Tactial Battle Steel HK Mount for Aimpoint, HoloSun, Sig Romeo 5
Botach Tactical
$59.95Battle Steel HK Mount for Aimpoint, HoloSun, & Sig Romeo 5 The Lowest Mounting Solution For HK MP5/HK33/HK53 Firearms for the Aimpoint T-1/T-2 mounting style optics. Delivers an absolute co-witness for all Aimpoint Micro, Sig Romeo 5, & HoloSun...HKP-19529$59.95 -
Thermold HK 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine
$19.9520 Round Polymer 308 Magazine For HK G3/91/PTR - US This US-made magazine is made of space-age polymer. Also, it counts as 3 US-made compliance parts. Each magazine features a fail-safe follower non-corrosive (polymer magazine body)...HKP-02612$19.95 -
Out Of Stock
Gear Head Workds Tailhook Mod 1 - Black
Gear Head Works
$129.95We start with a solid piece of billet aluminum and meticulously machine every aspect for a part that is as nice to look at as it is to use. This version clamps to pistol buffer tubes or adapter spuds ranging from 1.17? to 1.2? in diameter. It features a...HKP-19134$129.95 -
H&K 90 Series Hammer Axle For Trigger Pack
H&K Heckler & Koch
$2.77HK German used hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of firearm or trigger packs.Fits any of the...HKP-15444$2.77 -
H&K MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin
H&K Heckler & Koch
$499.95HK German MP5 SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of 100% genuine Heckler & Koch products Each MP5 trigger group includes the following: German Full...HKP-18094$499.95 -
HKP 3 Lug Adapter Wrench
HKP HK Parts
$28.95HK 3-Lug adapter tool that slides over the male end of the 3-lug adapters commonly used on threaded barrel applications for the addition of suppressors, flash hiders, compensators, silencers, etc. You can then tighten them down and take them off with...HKP-18240$28.95 -
H&K 3 Point Factory Sling
H&K Heckler & Koch
$69.95H&K 3 Point Factory Sling New HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is the factory HK issued sling. Never before offered as the 3 point slings have always been traditionally...HKP-18428$69.95 -
H&K HK VP9/VP9SK, VP40 Dismounting Safety Elbow Spring
H&K Heckler & Koch
$2.95Elbow Spring For Dismounting Safety HK VP9, HK VP40 HK VP9 HK VP9SK HK VP40HKP-16791$2.95 -
H&K SEF Navy Style Polymer Push Pin Housing - Like New
H&K Heckler & Koch
$99.95HK German factory push pin SEF navy style trigger pack housing - Exc/Like New Perfect upgrade for your older SEF contoured trigger pack or to dress up your HK. Fits all: MP5, MP5 Reverse stretch style push pin firearms Century Arms AP5 & Zenith...HKP-19892$99.95 -
H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Steel - Surplus
H&K Heckler & Koch
$16.95H&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$16.95 -
IMI UZI Lower, Grip Complete
IMI
$74.95Uzi Lower Complete - IMI Manufactured For The German Military Surplus IMI Manufactured Uzi Grip (lower) complete with all internals as shown. Each lower comes complete with all internals, grips and mag release assembly installed. Perfect for spare parts...HKP-16683$74.95 -
HK Piston Ring Replacement Set - 3 Ring Combo - USA - HKP
HKP HK Parts
$8.95HK MR556, HK416 &Â G36, SL8 Gas Piston Ring Replacement Combo Set - 3 RingsThis is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require them to be replaced periodically. These are...HKP-17933$8.95 -
HKP HK MP5 / MP5K Universal Optic Mount - Black
HKP HK Parts
$119.95HKP HK MP5 / MP5K Universal Optic Mount - Black Just in! Our latest and greatest MP5 style optic mount that is a true Universal mount. Using the same VP9 Optic ready format and optic plates you can now mount any optic mount that is compatible with any...HKP-20967$119.95 -
Out Of Stock
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Red
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Red Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...HKP-19971$99.95