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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On Sale
HKP HK G36C Rear Stock - Black
Now: $89.95Was: $106.99HKP G36C Rear Stock HK G36C 9.5" rear stock assembly. One full inch shorter than the standard G36/G36K stock. Each G36C stock is compatible with all G36 variants. This is the preferred stock for average height end users. Compatible...HKP-18218Now: $89.95Was: $106.99 -
HKP Trigger - 90 Series - Billeted - USA
HKP HK Parts
$45.95HKP Trigger - 90 Series - Billeted - USA HKP US 90 Series trigger made from the best quality billet steel. It will fit all 0,1, and SEF-style trigger packs. Each part counts as one US-made compliant part needed for builds and conversions for US...HKP-00380$45.95 -
H&K 10 Round HK MR762/417 7.62/.308 Magazine - RAL 8000
H&K Heckler & Koch
$72.95H&K 10 Round HK MR762/417 7.62/.308 Magazine - RAL 8000 Genuine HK German 10 round MR762 magazine. Factory fresh & hard to find. Compatible With: HK MR 762 HK 417 HK G28HKP-18593$72.95 -
H&K 9mm / .357 SIG Barrel Bore Brush
H&K Heckler & Koch
$1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...HKP-02760$1.95 -
HK Contract 3 Point Sling - OD Green
H&K Heckler & Koch
$52.95HK Contract 3 Point Sling - OD Green HK contract 3 point sling NIW. This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.HKP-19184$52.95 -
AC-Unity HK MP5 Fixed Stock
AC-Unity Magazines and Parts
$69.95AC-Unity HK MP5 Fixed Buttstock - Gen 2 with Removable Butt Pads The AC-Unity HK MP5 fixed buttstock delivers superior performance and comfort. Featuring soft, shock-absorbing rubber recoil pads, it effectively replaces the outdated fixed but-pad,...HKP-21640$69.95 -
Comp-Tac HK MP5 9mm Single Magazine Pouch
Comp-Tac
$44.95Comp-Tac HK MP5 9mm Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your HK MP5. The PLM mount allows for being securely hooked on a variety of...HKP-20099$44.95 -
H&K 91/G3 (7.62x51/.308) Cocking Tube
H&K Heckler & Koch
$134.95HK German G3, 91, PTR Cocking Tube This is the factory-new part straight from HK Germany, and it is heat treated with the proper ribbed cocking tube extrusion. No longer in production and not POF or other low-quality production. HK G3 HK 91 PTR-91...HKP-01041$134.95 -
H&K MP5/MP5K, HK SP5 & SP5K 100 Degree Locking Piece
H&K Heckler & Koch
$89.95H&K MP5,MP5K, HK SP5 & SP5K 100 Degree Locking Piece The MP5 100-degree locking piece is the factory-correct locking piece for all HK MP5 and MP5K style firearms. Compatible With: MP5, MP5 F, HK SP5 MP5K, MP5K-N HK94, SP89 & SP5K Clones or...HKP-00134$89.95 -
HKP HK MP5/MP5K 4-Piece Set Magazine Release
HKP HK Parts
$79.95HKP HK MP5/MP5K 4-Piece Set Magazine Release Each magazine catch set consists of 4 pieces and is a mixture of German HK and US-made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag catch (German) Push...HKP-00912$79.95 -
B&T HK MP5/SP5 Telescopic Stock
B&T Brugger & Thomet
$650.00B&T Stock Telescopic for MP5, HK SP5, AP5, ZF-5 The MP5 from Heckler & Koch is one of the most widely used submachineguns. B&T offers a selection of shoulder stocks for the MP5, SP5, MP5SD, MKE AP5, ZF-5 in order to adapt the weapon to...HKP-19352$650.00 -
B&T MP5K & MP5 - Folding Stock Section Only
B&T Brugger & Thomet
$139.95B&T MP5K & MP5 - Folding Stock Section Only Ideal for those moving from the SB Tactical SBT5 or SBT5K side folding brace to NFA/SBR status as these braces already include the B&T side-folding stock adapter backplate. Specifications: Requires...HKP-18246$139.95 -
H&K German Roller +2 - Used - 8.02mm
H&K Heckler & Koch
$7.95H&K German Roller +2 - Used - 8.02mm Used HK standard (8.02 mm) locking roller. The proper roller size is essential for proper bolt gap. HK German Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...HKP-19366$7.95 -
H&K MP5, SP5, HK94 2 Position A3 F Retractable Rear Stock
H&K Heckler & Koch
$577.95HK German MP5 & HK94 A3 "F" Style Retractable Rear Stock This German HK A3 retractable is the latest and greatest HK retractable German stock available. The F stock is designed to take the abuse of heavy +P and +P+ rounds, as well as all standard...HKP-00168$577.95 -
On Sale
HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug
HKP HK Parts
Now: $102.95Was: $109.95HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels...HKP-20323Now: $102.95Was: $109.95 -
On Sale
HKP HK 21 (7.62x51/.308) Extended Style Cocking Handle
HKP HK Parts
Now: $49.95Was: $69.95HK Extended Cocking Handle - HK21 Rubberized extended cocking handles for the older style HK21 firearms. This extended cocking handle makes a HUGE difference when trying to charge the HK21 firearm, as it has increased spring pressure and can be a pain to...HKP-00363Now: $49.95Was: $69.95 -
On Sale
HKP Ambi Housing Franklin Armory Binary Selector Set
HKP HK Parts
Now: $49.95Was: $79.95Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work flawlessly with Franklin Armory Trigger Pack...HKP-19816Now: $49.95Was: $79.95 -
On Sale
MI HK MP5K M-LOK Suppressor Handguard
MI Midwest Industries
Now: $139.95Was: $179.95MI HK MP5K 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-21563Now: $139.95Was: $179.95 -
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 -
On Sale
HKP HK MP5, SP5 Handguard - OD Green
HKP HK Parts
Now: $29.95Was: $39.95HKP HK MP5, SP5 Handguard - OD Green USA MP5 O.D green handguard is also known as the tropical wide forearm. Now you can further customize your MP5/ SP5 with this new color grip and, best of all, it counts as 1 U.S complaint part for the 922r. This...HKP-20593Now: $29.95Was: $39.95 -
HKP SEF Enhanced Ambi Selector Set - Navy Style
HKP HK Parts
$76.95Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...HKP-18065$76.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - Green Rubberized - Surplus
H&K Heckler & Koch
$8.95HK German HK G3 & HK 91 Older Style HK Green Cocking Handle Used green handled German military surplus cocking handle. No longer made or offered by HK. A genuine Heckler and Koch part. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...HKP-17082$8.95 -
H&K Rear Sight Bearing
H&K Heckler & Koch
$1.99H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.HKP-00145$1.99 -
HKP HK MP5 .22 Bench Mat
HKP HK Parts
$24.95HK MP5 .22 Bench Mat The HK MP5 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK MP5 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your gun from scratches...HKP-17280$24.95 -
HKP 90 Series Sear
HKP HK Parts
$47.95HK USA-Made Sear, Catch-Billeted Machined Steel Hard to find and important for keeping your HK build 922r compliant. This US-made sear counts as one US-compliant part for your rifle or build. Machined from a bar of solid ordnance grade steel, with the...HKP-00378$47.95 -
On Sale
HKP HK MP5 / MP5K Universal Optic Mount - Black
HKP HK Parts
Now: $99.95Was: $119.95HKP HK MP5 / MP5K Universal Optic Mount - Black The HKP universal optic mount incorporates the VP9 optic footprint, allowing the user to install any VP9 compatible optic on their MP5 with a German or HKP VP9 optic plate. Swap optics like Trijicon,...HKP-20967Now: $99.95Was: $119.95 -
HKP HK UMP (.40 S&W/.45 ACP/9mm) Lower Locking Pin
HKP HK Parts
$12.95HK UMP Lower Locking Pin, Push Pin For use with all HK UMP lowers & USC to UMP conversions. Made in the USA. This is the pin that holds the lower to the receiver. Compatible With: UMP USC Conversions TBT builds Omega Other builds that...HKP-18580$12.95 -
Out Of Stock
HKP UMP Parts Kit - .45 ACP
HKP HK Parts
$0.00HKP UMP Parts Kit - .45 ACP HK Parts brings a complete UMP Parts kit that includes everything you require to complete any stripped receiver. Our new parts kits will have the highest quality parts for ultimate reliability. Guaranteed to be the most...HKP-21433$0.00 -
B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard
B&T Brugger & Thomet
$265.00B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard B&T Tri-Rail Handguard For HK MP5K, SP89, MP5K-N, MP5K-PDW Compatible With: All MP5K, SP5K, SP89 Specifications: Color: Black Height max: 48.4 mm Length max: 86 mm Length of right rail: 82 mm Length of...HKP-16889$265.00 -
PTR HK MP5 Flat Receiver w/ Weldment Set
PTR
$294.95MP5 9mm Receiver Flat With Complete Weldment & Rivet Set - PTR/LSC Several years ago PTR bought out LSC and now owns the tooling and dyes for the LSC 9mm flats. These elusive flats have been hard to find and are now available for the first time here...HKP-19509$294.95 -
H&K Roller Type Trip Lever
H&K Heckler & Koch
$29.95H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not be marked with the X or XX...HKP-02466$29.95 -
HK MP5K M-LOK Compatible Forearm with Handstop
HKP HK Parts
$39.95MP5K - M-LOK Compatible Forearm with Handstop - USA Each forearm will fit the MP5K style platforms. Dual M-LOK mounting slots allow you to quickly mount lights, lasers, or a pressure switch. As an added bonus this item counts as a US made part toward...HKP-20819$39.95 -
HKP Single Point Sling - OD Green
HKP HK Parts
$29.95HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...HKP-09057$29.95 -
Zenith 30 Round HK MP5 Bundesadler Magazine
Zenith
$43.95Zenith 30 Round HK MP5 Bundesadler Magazine The bundesadler laser-etched into a Zenith magazine. Limited run so get them while you can! Application of oil is recommended depending on climate. Features: Durable electro-plated black finish for exceptional...HKP-20913$43.95 -
H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Rear Stock Buffer With All Mounting Hardware
H&K Heckler & Koch
$24.95German HK G3, 91 & PTR91 Complete Rear Stock Buffer Assembly Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits the HK93, 33, and 53 fixed stocks as well (use the same buffer).HKP-00362$24.95 -
H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston
H&K Heckler & Koch
$50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...HKP-00047$50.95 -
HKP HK UMP .45 - Magazine Compliance Kit
HKP HK Parts
$19.95US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts towards 922r compliance. Made from high-impact polymer, just like the factory HK parts. The US parts kit...HKP-01167$19.95 -
HKP HK MR556/416 Handguard Rail System Hex Screw
HKP HK Parts
$9.95HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless Steel Hex head replacement handguard retention screw for your HK416, MR556 forearm. Made in the USA from 17-4 SS with a 5mm hex head for ease and use when installing and taking off the...HKP-17657$9.95 -
HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$19.95HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH This enhanced thread protector, made from stainless steel in a 13.5x1 LH thread, is designed to fit over and protect the crown of any threaded barrel. Its unique design offers added...HKP-17978$19.95 -
On Sale
HKP 9mm Flash Hider - 3-Lug
HKP HK Parts
Now: $79.95Was: $99.95HKP 9mm Flash Hider - 3-Lug Easily 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...HKP-20170Now: $79.95Was: $99.95