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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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 -
H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used
H&K Heckler & Koch
$499.95HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...HKP-18095-PP$499.95 -
HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY
$34.95UMP 45 25 Round Magazine Body Only - USA Made New US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made in...HKP-17020$34.95 -
H&K HK USP/45/45C Ambidextrous Control Lever Set Roll Pin
H&K Heckler & Koch
$2.95HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...HKP-02394$2.95 -
H&K MP5 40/10 Ejector Lever
H&K Heckler & Koch
$38.74German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time. Original factory German HK...HKP-00412$38.74 -
HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used
HKP HK Parts
$9.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used Compatible with all metal HK grip frames. Please Note: The polymer (plastic) style SEF housing uses the longer axle SEF selector lever, not this product offering.HKP-00120$9.95 -
MKE PTR PDW Retractable Stock
MKE
$459.95MKE PTR PDW Retractable Stock A3 Factory new MKE stock professionally converted to fit PTR PDW rifles and pistols. This PTR PDW stock was modified with a heavy profile collapsing rod insert heat treated for longevity. The correct collapsing length on the...HKP-21376$459.95 -
SB Tactical, B&T HK MP5K, SP5K Swiss Folding Brace
SB Tactical, B&T Brugger & Thomet
$239.95Folding Brace - Swiss - B&T MP5K, SP5K Factory Swiss B&T MP5K, SP5K Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel. Available...HKP-19356$239.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - All Metal - Surplus
H&K Heckler & Koch
$8.49HK German HK G3 & HK 91 Older Style All Metal Cocking Handle Used German Military Surplus. No longer made or offered by HK. A genuine Heckler and Koch part. All steel cocking handle. Rare and hard to find. Compatible With: HK 91 HK G3 PTR-91 HK...HKP-16766$8.49 -
HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1
HKP HK Parts
$129.95HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.HKP-01014$129.95 -
HKP HK 21 (7.62x51/.308) Extended Style Cocking Handle
HKP HK Parts
$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-00363$69.95 -
HKP HK MP5/MP5K 4-Piece Set Magazine Release
HKP HK Parts
$49.95HKP 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 Push button for mag...HKP-00912$49.95 -
H&K 30 Round HK MP5 9mm Magazine - TiN Coated
H&K Heckler & Koch
$149.95H&K 30 Round HK MP5 9mm Magazine - TiN Coated Get your hands on some TiN coated factory Heckler & Koch magazines. Each magazine starts out as a fresh 9mm, 30 round mag before being professionally dsiassembled, TiN coated, and reassembled...HKP-21643$149.95 -
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 -
HKP HK 416 .22 Bench Mat
HKP HK Parts
$24.95HK 416 .22 LR Bench, Gunsmithing Mat Our HK 416 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK 416 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your...HKP-17279$24.95 -
MKE HK G3 Retractable Buttstock
MKE
$359.99MKE HK G3 Retractable Buttstock The Century Arms MKE Retractable G3 Buttstock is an easy-to-install replacement stock system for HK G3-style firearms. The simple lock/release system is easy to operate, allowing shooters to adjust the stock length...HKP-21182$359.99 -
Out Of Stock
Promag HK 93/53/33 (5.56/.223) 30 Round Magazine
Promag
$25.99HK93, HK33, HK53 - 30 Round Magazine - USA These magazines count as 3 US-made compliant parts for those who need to maintain 922r compliance. Compatible with all 5.56, .223, & .300 AAC Blackout calibers. Each magazine body, follower, and...HKP-13969$25.99 -
Elite Tactical Systems Universal C.A.M. Loader For Rifles
Elite Tactical Systems
$29.99Elite Tactical Systems Universal C.A.M. Loader For Rifles The first truly universal loader for rifle magazines. A must-have for every rifle owner. Doesn't damage feed lips. Saves time and energy, easy on your thumbs. Features: Loader easily picks up...HKP-18741$29.99 -
H&K Universal Gun Cleaning Wick Set - 8 Piece Set
H&K Heckler & Koch
$1.95Original German Army Issue HK91/G3/PTR Cleaning Kit Wick - Set of 8 Originally issued for the G3,91 & MG3 firearms but will work on pretty much any and all rifles & pistols. Each set comes with 8 BRAND NEW German manufactured cleaning wicks. Each...HKP-17646$1.95 -
HKP HK Parts 2 Point Operator Sling
HKP HK Parts
$19.95HKP HK Parts 2 Point Operator Sling 2 point sling similar to the popular Magpul style sling. Made to last and a great sling for the money. Not set up for use on the HK style rifles unless you add AR15/M4 style attachment points for the 2 points of the...HKP-15375$19.95 -
On Sale
Magpul SL HK MP5 Binary Trigger Group
FA Franklin Armory / Magpul
$687.95 - $711.95Magpul SL HK MP5 Binary Trigger Group: Latest and greatest trigger group option for those looking for a binary option and the added comfort of the Magpul housing. We take a Magpul SL housing, our compatible binary selector levers, and complete it with a...HKP-21406-M$687.95 - $711.95 -
On Sale
GSG GSG-5 Flashlight with Tri-Rail - Black
GSG German Sports Guns
Now: $9.95Was: $27.95GSG GSG-5 Flashlight with Tri-Rail - Black Universal flashlight with three picatinny rails for additional accessories. Batteries are NOT included. Ships unassembled. Simply open the mount and secure the flashlight in the direction and offset...HKP-00790Now: $9.95Was: $27.95 -
H&K HK 416/MR556 Mil-Spec Factory German E2 Rear Stock - Black
H&K Heckler & Koch
$199.95HK 416, MR556 Factory German E2 Rear Stock The HKE2 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed. Features: Ergonomic cheek weld for improved firing...HKP-01913$199.95 -
Out Of Stock
B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug
B&T Brugger & Thomet
$139.95B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug B&T has supplied products to L.E. & Military units the world over. This is new Swiss manufacture. Specifications: Diameter 31 mm Length 73 mm Steel QPQ Treated Quick Detach Compatible...HKP-16898$139.95 -
Botach Battle Steel HK MP5 Ultra-Low-Profile Mount for Trijicon MRO
Botach Tactical
$69.95Botach Battle Steel HK Ultra-Low Profile Integrated Mounting Platforms for the Trijicon MRO Ultra-low-profile mount for HK MP5/HK33/HK53 firearms. Features a lower 1/3 cowitness for the Trijicon MRO sights. Compatible With: HK MP5 &...HKP-19530$69.95 -
HKP SP5K Spec - Full Auto Bolt Carrier
RCM
$189.95HK SP5K Specification Full Auto Bolt Carrier - US Made Machined completely from billet ordnance grade steel. The HK SP5K carrier is made to the most updated and latest MP5K F specs that will fit the SP5K. Tungsten filled, heat treated, & factory...HKP-17932$189.95 -
PTR HK 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Central Stock Section With Butt Pad
PTR
$99.95U.S. HK 91, G3, PTR Central Stock Section Black With Butt Pad Compliant parts are hard to find and are important for keeping your HK G3, HK 91, HK33, and 93 build 922r compliant. Compatible With: HK G3, 91, PTR CETME HK 93, 33, 53 Other...HKP-00379$99.95 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used
H&K Heckler & Koch
$14.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used This is a used German Military surplus OD green Slimline Forearm with a heat shield. Each forearm is in good condition and can be restored with a bit of TLC. The conditions range from good...HKP-16265$14.95 -
HKP 2 Point Leather & Cotton Sling
HKP HK Parts
$59.952 Point Leather & Cotton Sling Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German artisan using quality US leather and hardware. Each sling is approximately 48" long...HKP-21320-M$59.95 -
HKP MP5 9mm Muzzle Brake - 3 Lug
HKP HK Parts
$104.95HKP MP5 9mm Muzzle Brake - 3 Lug Easily attaches to the end of any factory German 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 found on...HKP-18795$104.95 -
Magpul AFG2 Angled Foregrip for Picatinny Rail - Black
Magpul
$33.95Magpul AFG2 Angled Fore Grip for Picatinny Rail - Black Made in the USA, the AFG-2 (Angled Fore Grip) is a slim line design that is shorter in overall length and width in comparison to the original AFG. By positioning the shooter's...HKP-10655$33.95 -
H&K 10 Round HK MR762/417 7.62/.308 Magazine - RAL 8K
H&K Heckler & Koch
$59.00HK MR762, HK417 10 Round Magazine, RAL 8000 Genuine HK German 10 round MR762 magazine. Factory fresh & hard to find. Compatible With: MR 762 HK 417 HK G28HKP-18593$59.00 -
H&K German 5.56/.223 & 7.62x51/.308 Hammer Spring
H&K Heckler & Koch
$9.95New HK German Rifle Hammer Spring For All.308/.223 Semi & Full Auto Trigger Packs The 308/556 hammer spring is a popular upgrade to replace the hammer spring in 9mm and clones that have light primer hits. This is the factory-correct 25 lb. weight for...HKP-00194$9.95 -
H&K HK 416 10.5" Rear Diopter Sight Assembly
H&K Heckler & Koch
$239.95HK German 416 10.5 Rear Diopter Sight Assembly This is the proper rear sight for use on all HK 416 10.5 uppers and firearms. This is also a great sight alternative for those who need a lower sight setup for the AR, XCR, etc. To be used in conjunction...HKP-01109$239.95 -
HK 33 Wide Forend Black - Surplus
H&K Heckler & Koch
$99.95HK 33 Wide Forend Black - Surplus Surplus condition, with minor scratches and wear on the polymer exterior in very good shape overall. 11.5 inches long. The aluminum heat shielding is still intact, riveted to the inside of the handguard. Compatible...HKP-20132$99.95 -
HKP HK SP5 & SP5K Spec. Clipping & Pinning Service HK Lower Housings Poly
HKP HK Parts
$99.95HK Clipped & Pinned Service - For Polymer Grip Frames To SP5 SPEC At HK Parts we offer our own HK trigger housing clip & pin services. No one does a better job with quicker turn around then we do. We will clip and pin any "push pin" plastic...HKP-19989$99.95 -
RCM HK Style MP5K 9mm Complete Bolt Group
RCM
$379.95Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5K 9mm style firearms. This is the finest US BCG available. Each...HKP-19846$379.95 -
B&T HK MP5K, SP5K Telescopic Brace
B&T Brugger & Thomet
$549.95B&T Telescopic Brace for HK MP5K, SP5K B&T telescopic brace for HK SP5K/MP5K and clones Specifications: Length adjustable in 5 positions Includes replaceable elastomer rubber buffer Just add your favorite tailhook style device and you are good...HKP-19861$549.95 -
ETS 40 Round MP5 9mm Magazine-Translucent
Elite Tactical Systems
$44.99HK MP5 9mm 40 Round Translucent Magazine Features: Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag pouches and couplers Extended 40 round...HKP-18738$44.99 -
H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus
H&K Heckler & Koch
$24.95H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK .223 & .308 HK Rifles. This is the highly...HKP-17855$24.95