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 95mm Picatinny Rail Cover - Black
H&K Heckler & Koch
$14.95HK Rubber Picatinny Rail Cover - 95mm New Factory HK Rubberized Picatinny Rail Cover Specifications: Rail cover dimensions: 95 x 26 x 7 mmHKP-18858$14.95 -
H&K Front Sight Blade
H&K Heckler & Koch
$11.95H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames.HKP-00370$11.95 -
Out Of Stock
H&K German MP5 SEF F/A Trigger Group
H&K Heckler & Koch
$0.00Used trade trigger group 100% functional and 100% German HK. HK German MP5, 94 Or Clone SEF Contoured F/A Trigger Group Complete.Ready To Install On Your HK Push Pin Swing Down Receivers. These come complete in used surplus condition with a German 9mm...HKP-13932$0.00 -
H&K HK MP7 Retractable Stock
H&K Heckler & Koch
$199.95H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 FirearmsHKP-18552$199.95 -
H&K HK MR556/416 Extractor Axle Pin
H&K Heckler & Koch
$11.95HK MR556 & 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK. Compatible With: HK 416 MR556 M27 HK 416 A5HKP-00040$11.95 -
H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier
H&K Heckler & Koch
$6.95H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch.HKP-16847$6.95 -
H&K HK MR556/MR762/416/417 Carrying Sling - FDE
H&K Heckler & Koch
$139.95HK 416, MR556 & MR762 Compatible With: HK 416 HK MR556 HK CR556 MR762 & HK 417, G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the ambi sling loop on the gas block unlike the...HKP-18491$139.95 -
H&K HK MR762/417 Extended Picatinny Handguard - Black
H&K Heckler & Koch
$699.95HK MR762, HK 417 Extended Picatinny Handguard Complete New HK German manufacture. Each unit comes with both of the mounting screws. HK's extended 13" rail allows for longer sight radius and more rail space for your MR762 or HK417. The MR762 comes from...HKP-16656$699.95 -
H&K HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors
H&K Heckler & Koch
$159.95HK416 Full Auto Ambi Selectors Kit - German HK - 3 Position Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up. The HK 416A5 polymer selector levers will be helpful for a quick visual...HKP-20398$159.95 -
H&K MP5 9mm Cocking Tube
H&K Heckler & Koch
$99.95H&K MP5 9mm Cocking Tube New factory German HK uninstalled part directly from HK Germany. Rare and hard to find. Compatible With: MP5, 94, SP5 MP5 clones or other custom buildsHKP-00093$99.95 -
H&K MP5, MP5K Rear Sight Set Complete-Windage Knob
H&K Heckler & Koch
$129.95MP5 & HK94 Rear Sight Set Complete - With Windage Adjustment Knob Each rear sight unit comes with German HK parts, with the only exception being the hand-adjustable windage screw. Each set includes the entire rear sight assembly and hardware set for...HKP-02532$129.95 -
H&K MP5F & MP5 40,10 Recoil Rod Assembly
H&K Heckler & Koch
$79.95German HK MP5F Recoil Assembly This is the factory-correct MP5F or MP5 40/10 Recoil Rod assembly. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for all MP5 40 or 10-mm bolt groups. A great upgrade to have...HKP-00133$79.95 -
H&K UMP/USC (.45 ACP) Extractor
H&K Heckler & Koch
$49.95New USC & UMP .45 Extractor - German Compatible with both the USC & UMP. Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once it is removed from the...HKP-00265$49.95 -
HKP 2 Point Leather Sling - Brown
HKP HK Parts
$49.952 Point Leather Sling - Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware for...HKP-20162$49.95 -
HKP 94, 93 Semi Grip Frame SEF - Metal
HKP HK Parts
$99.95HK MP5,94, 33,93 Style Metal Grip Frame - For Semi Auto ShelvesEach German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a double tang...HKP-16470$99.95 -
On Sale
HKP HK MP5, 93, AR, M4 Stock/Brace Adapter - Red
HKP HK Parts
Now: $39.95Was: $124.95HK MP5, HK93 Style AR, M4 Stock & Brace Adapter - Red Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct "H" buffers to protect your expensive firearm. This...HKP-19661Now: $39.95Was: $124.95 -
KCI 30 Round HK MP5 Supersonic Labeled Magazine
KCI
$44.95KCI 30 Round HK MP5 Supersonic Labeled Magazine Each 9mm Magazine Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All...HKP-21130$44.95 -
USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete
USA
$399.95USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin Compatible With: HK UMP ...HKP-18588$399.95 -
On Sale
B&T MP5 Ambi Tactical Sling
B&T Brugger & Thomet
Now: $93.95Was: $169.95B&T MP5 Ambi Tactical Sling Originally designed around the MP5 platform, this versatile B&T sling can be used in single and two-point configurations for any firearm with at least one sling attachment point.HKP-17291Now: $93.95Was: $169.95 -
Bore Boss Pull-Through Bore Cleaner - .357/9mm/.38
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .357/9mm/.38 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19400$10.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight
H&K Heckler & Koch
$28.95HK German Factory Rear Sight Assembly With Drum Assembly - New Each rear sight is a brand new, old stock genuine Heckler & Koch rear sight. Comes as shown. Mounting hardware is offered separately. Now out of production, it's rare and hard to find in...HKP-00361$28.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...HKP-15792$49.95 -
H&K Cocking Tube End Cap Detent
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.HKP-18050$4.95 -
H&K G3 (7.62x51/.308) Parts Kit
H&K Heckler & Koch
$497.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$497.95 -
Out Of Stock
H&K HK MR556/MR223 Upper Receiver w/ F/A & Ejection Door
H&K Heckler & Koch
$694.95New HK German Partially Pre-Assembled MR556/MR223 Upper Receiver Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory. Compatible With: HK MR556 HK MR223 HK...HKP-16950$694.95 -
H&K HK MR556/MR762/416/417 Disconnector Spring
H&K Heckler & Koch
$5.95HK416, HK417, MR556, & MR762 Disconnector Spring- Short This is the shorter spring of the 2 found in the trigger assembly. Compatible With: MR556 MR762 HK 416 HK 417HKP-02675$5.95 -
H&K HK MR762, 417, G28 Ejection Cover Axle Spring
H&K Heckler & Koch
$9.95HK417, MR762 Ejection Cover Axle Spring New Hk German manufacture for the MR762 & HK 417 firearm. The spring is used on the axle and ejection port cover door to allow it to be closed and spring open. Compatible With: MR762 HK 417 G28HKP-16753$9.95 -
H&K MP5/MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5/MP5K Muzzle Protector Cap - 3-Lug New HK German high impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5/MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...HKP-17666$19.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Spring
H&K Heckler & Koch
$8.95HK UMP & USC Cocking Lever Spring A great spare part to have on hand.HKP-01886$8.95 -
HK G36/SL8 (5.56/.223) Cocking Handle Spring
$9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsHKP-18369$9.95 -
HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH
$64.95HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...HKP-02189$64.95 -
HKP (5.56/.223) & (7.62x51/.308) Linear Compensator - Threaded 5/8x24 RH
HKP HK Parts
$149.95HKP (5.56/.223) & (7.62x51/.308) Linear Compensator - Threaded 5/8x24 RH This compensator is new and made in the USA. It is the best quality & price in the country. Specifications: Threaded 5/8x24 Compatible With: HK G3/91/PTR HK...HKP-19338$149.95 -
HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH
USA
$74.95HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH This flash hider adds a neat look & feel that provides outstanding flash hiding capabilities. Perfect for adding a unique look to your .45 ACP. Made in the USA, each flash hider is made of...HKP-02188$74.95 -
HKP HK UMP (9mm ) 15 Round Magazine
HKP HK Parts
$49.95UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...HKP-17849$49.95 -
HKP HK UMP, USC Lower Bolt Catch
HKP HK Parts
$22.95HK UMP & USC Bolt Catch For Last Round Hold Open New HK USA lower bolt catch. Compatible With: HK UMP HK USCHKP-19565$22.95 -
HKP MP5 9mm SEF Semi Trigger Pack - Match
HKP HK Parts
$479.95HKP MP5 9mm SEF Semi Trigger Pack - Match We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and jigs...HKP-17658$479.95 -
Lancer 30 Round AR-15 Magazine
Lancer
$29.95Lancer 30 Round AR-15 Magazine Lancer set out to design a better 5.56 magazine, one with the reliability of steel and the durability and weight of the polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip assembly...HKP-21188$29.95 -
Magpul HK 91/G3 (7.62x51/.308) Complete Stock - Enhanced Buffer
Magpul
$899.95LAST REMAINING UNITS. Magpul PRS Stock With Enhanced Buffer InstalledThe Magpul PRS2 (Precision Rifle/Sniper) G3 Model is a drop-in, precision-adjustable butt stock especially designed for the HK G3/91/PTR rifle and its variants. Designed to offer the...HKP-16698$899.95 -
Out Of Stock
MM HK 21E (7.62x51/.308) Belt Box
Michaels Machines
$624.95HK21E & MM21E Belt Box Brand new HK21E, MM21E US made feed box. The German units have long since been out of production. These are exact replicas of the German units. Made in the USA. Compatible With: HK21E MM21EHKP-17752$624.95 -
Remington Defense HK 416 14.5" Handguard - FDE
Defense Remmington
$999.95Remington Defense Handguard Assembly Kit - 14.5" - HK 416 - Tan The most popular handguard for DEVGRU, SEAL teams and other special operators. This is a one time deal once these are gone there will be no more. Compatible With: 14.6 &...HKP-19491$999.95