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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HKP Single Point Sling - Quick Detach - Black
NcSTAR
$29.95HKP Single Point Sling in Black - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...HKP-19767$29.95 -
H&K Magazine Catch Spring
H&K Heckler & Koch
$4.95H&K Magazine Catch Spring New HK German manufacture, not used, worn out surplus springs. Perfect spare and a must-have mag catch spring for all 90 series rifles that use a detachable magazine. Compatible With: HK 91, G3 & PTR-91 HK...HKP-01917$4.95 -
H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
$36.95HK 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$36.95 -
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 90 Series Sear & Trigger Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...HKP-15459$1.99 -
H&K HK MR556/416 Enhanced Buffer Spring
H&K Heckler & Koch
$19.95Enhanced HK German MR556 & 416 Buffer Spring The HK MR556/416 buffer spring will also work with other AR-15 and M-16 rifles. It is a high-wear item and a must-have replacement part. Compatible With: HK MR556 HK416 HK416 A5 HK M27 AR15, M4 & M16HKP-00039$19.95 -
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 -
Out Of Stock
H&K G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing
H&K Heckler & Koch
$0.00H&K G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing This lower housing is available without internals, a unique offering as G36 lowers previously only came as complete trigger groups with both grip and internals. Ideal for SL8 to G36...HKP-01504$0.00 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HKP Armorer's Tool Kit Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge setHKP-18659$67.95 -
B&T HK MP5, SP5, HK94 Lightweight Tri-Rail Handguard
B&T Brugger & Thomet
$259.95B&T LIGHTWEIGHT TRI-RAIL HANDGUARD FOR MP5/SP5/HK94 B&T's Lightweight Tri-Rail Handguard is almost 25% lighter with practically identical construction. The handguard offers a total of three NAR/Picatinny rails. One on each side and one on its...HKP-19737$259.95 -
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 -
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 -
Magpul PMAG 30 Round AR-15 (5.56/.223) Magazine-Windowed
Magpul
$15.95Magpul PMAG 30 Round AR-15 5.56/.223 Magazine-Windowed The Gen M3 PMAG is a 30-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Modified internal and external geometry also permits operation with a wide range of...HKP-16441$15.95 -
H&K 91/G3 (7.62x51/.308) Wood Stock - Surplus
H&K Heckler & Koch
$119.95HK German G3, 91, & PTR Wood Stock Complete - USED These stock sets were in use with the German military and are used in varying degrees of condition, ranging from good to very good shape overall. These are rare and are getting harder to...HKP-02554$119.95 -
RCM HK G3/91 36 Degree Locking Piece #17
RCM
$49.95RCM HK G3/91 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 -
H&K 91/G3 (7.62x51/.308) Rear Sight Assembly
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - HK German factory rear sight assembly with all hardware included. We offer the new HK sights at the BEST price in the country. Each set comes complete with all parts and all mounting hardware included...HKP-18163$39.95 -
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 MP5, MP5K, 94 & SP89 Firing Pin-Steel
HKP HK Parts
$17.47MP5, MP5K, 94, & SP89 Firing Pin - Steel Each part is made using the factory HK material and specifications from original HK German blueprints. Compatible With: MP5, HK94 MP5K, SP89, SP5K MP5 40, 10mm, .357 Sig Zenith, POF, Omega, DT,...HKP-02115$17.47 -
H&K Full Auto Paddle Magazine Release Bushing
H&K Heckler & Koch
$6.95H&K Full Auto Paddle Magazine Release Bushing - New New HK German paddle magazine release bushing for all 90 series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on semi-auto HK builds. This...HKP-00847$6.95 -
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 -
On Sale
SB Tactical MP5K/SP89/SP5K 9mm Side Folding Brace
SB Tactical
Now: $169.95Was: $249.95HK MP5K, SP89, SP5K & Clone - Side Folding Pistol Stabilizing Brace MP5K, SP5K, Zenith Z5P, Z-5K Folding Stabilizing Brace System. These are the last remaining units with an aluminum folding adapter as SB tactical has now switched over to a polymer...HKP-18016Now: $169.95Was: $249.95 -
Walther 10 Round HK 416/G36/Colt M4 .22LR Magazine - Black
Walther
$35.00HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible With: HK 416 .22 Colt M4 .22 Beretta AR160 HK G36 .22 Hammerli Tac .22HKP-01747$35.00 -
RCM MP5 & MP5K 9mm Extractor
RCM
$29.95RCM MP5 & MP5K 9mm Extractor Made from ordnance grade steel and heat treated. These are the latest F type extractor for all HK MP5/94 bolt heads. Perfect to get that out of spec clone or worn out HK bolt working as it should. Made in the USA, these...HKP-20959$29.95 -
B&T HK MP5K, HK SP5K UMP B&T Folding Stock - Black
B&T Brugger & Thomet
$324.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T stock foldable polymer with adapter for HK MP5K. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these...HKP-16944$324.95 -
HKP Binary Selector Lever Set Screw
HKP HK Parts
$1.98HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension and very easy to misplace. A must have set screw to...HKP-20686$1.98 -
HKP MP5 & MP5K 9MM Magazine Follower - RED
HKP HK Parts
$8.95HKP MP5 & MP5K 9MM Magazine Follower - RED Teflon infused glass filled polymer red colored follower that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the follower to a red follower. A great training or...HKP-18302$8.95 -
HKP HK MP5 M-LOK Wide Forearm - Black
HKP HK Parts
$49.95HKP HK MP5 M-LOK Wide Forearm - Black MP5 Wide handguard with M-LOK slots to quickly and easily attach any M-LOK style accessory. This is a great option for those that want to keep a factory MP5 look and still have the ability to add vertical grips,...HKP-21437$49.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW HK German factory 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 and pinned housing to be...HKP-20576$99.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - Black Rubberized - Surplus
H&K Heckler & Koch
$9.95HK German HK G3 & HK 91 Rubberized Cocking Handle- Black Used German military surplus from G3 Military rifles. Each comes complete, black in color. Date coded. Made by HK for the German military. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK...HKP-17083$9.95 -
H&K UMP (.45 ACP) 25 Round Magazine
H&K Heckler & Koch
$145.95New HK German Non-LE/Mil Marked UMP .45 ACP 25 Round Magazine The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45 conversions HK...HKP-00605$145.95 -
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
H&K MP5 & MP5K 9mm Cleaning Kit
H&K / HK Parts
$84.95HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K cleaning kit complete. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder HK Chamber Face Brush (Made in the USA) 9mm MP5 Barrel Flute Brush Phosphor Bronze Bore Brush Double-Ended...HKP-00347$84.95 -
H&K MP5 & MP5K Firing Pin Spring
H&K Heckler & Koch
$26.95H&K MP5 & MP5K Firing Pin Spring The latest firing pin spring features a stronger and more durable braided design, surpassing the standard non-braided spring in performance and longevity. Compatible With: MP5, HK94, SP5 MP5K, SP5K,...HKP-00063$26.95 -
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/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus
H&K Heckler & Koch
$19.95H&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$19.95 -
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. This US made receiver flat...HKP-02320$99.95 -
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 -
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 -
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 -
Out Of Stock
H&K +4 Roller For Bolt Head 8.04mm - Over-sized
H&K Heckler & Koch
$19.95H&K +4 Roller For Bolt Head 8.04mm - Over-sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...HKP-00508$19.95