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 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 -
PTR HK 91/G3 (7.62x51/.308) Rear Push Pin Reinforcement Weldment
PTR
$19.95HK91, G3, PTR, CETME Push Pin Reinforcement Weldment HK91/G3/PTR91 or CETME steel receiver flat weldment that is added to the rear of the receiver where the 2 large stock push pins install to reinforce this section of the receiver against damage or use...HKP-18224$19.95 -
HKP HK MP5/K Aimpoint ACRO Sight Mount
HKP HK Parts
$98.95HKP - HK MP5/K Optic Mount - ACRO P1 & P2 The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness. Crafted in the US from aircraft grade aluminum and coated in durable...HKP-21229$98.95 -
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 -
H&K 20 Round HK MR762/417 7.62/.308 Magazine - RAL 8000
H&K Heckler & Koch
$72.95H&K 20 Round HK MR762/417 7.62/.308 Magazine - RAL 8000 Genuine HK 20 round magazine. Factory fresh & hard to find. This is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK...HKP-18608$72.95 -
H&K German Recoil Guide Rod Rivet
H&K Heckler & Koch
$4.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...HKP-01026$4.95 -
JMAC Customs MP5K/SP89/SP5K 9mm Rear Stock Adapter with Picatinny Rail
JMAC Customs
$94.95JMAC Customs MP5K/SP89/SP5K 9mm Rear Stock Adapter with Picatinny Rail This 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...HKP-18990$94.95 -
Semi Auto Shelf For Receiver - Billeted
$19.95Semi Auto Shelf For Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521$19.95 -
H&K MP5K Vertical Grip VFG M-LOK Rail
H&K Heckler & Koch
$114.95H&K MP5K Vertical Grip VFG M-LOK Rail New 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. Compatible...HKP-20957$114.95 -
KCI 10 Round HK MP5, MP5K - California Compliant Magazine
KCI
$58.95California Complaint Magazine 10-30 - MP5, MP5K - GEN 2 - KCI USA 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...HKP-20669$58.95 -
HKP HK MP5 Picatinny Rail Optic Mount - Extended
HKP HK Parts
$109.95HKP HK MP5 Picatinny Rail Optic Mount HK Parts Picatinny style optic mount for the MP5 or MP5K. Quickly mount any Picatinny optic to your HK while retaining a full view of the factory sights. Available exclusively at HK Parts. Compatible With: HK...HKP-21489$109.95 -
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.HKP-00143$7.99 -
B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach
B&T Brugger & Thomet
$135.00B&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$135.00 -
HKP Semi Shelf Weldment - Metal Grip Housing
HKP HK Parts
$14.95HKP Semi Shelf Weldment Metal Grip Housing For Semi-Auto Trigger Packs This HK German specification metal trigger frame weldment is designed for converting SEF style housings from full auto to semi-auto. This weldable block or shelf is essential for...HKP-16657$14.95 -
B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint
B&T Brugger & Thomet
$100.00B&T MP5, MP5K Low Mount For T1/H1 & T2 Aimpoint 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 mounting system. This same mounting...HKP-16862$100.00 -
HKP .45 ACP Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded 16x1 LH The HK Parts Micro Comp & Thread Protector combines lightweight design with dual functionality as both a compensator and thread protector. It easily attaches to any factory spec 16x1 LH .45 ACP barrel,...HKP-20210$29.95 -
On Sale
Russian GP5 Gas Mask Kit, New - Soviet Military
Now: $13.95Was: $19.95Russian GP5 Gas Mask Kit, New - Soviet Military New Soviet civil guard gas mask kit. Civil guard kits are the same as Russian military GP5 gas masks but have a grey mask instead of military black. This type of gas mask was stored by the Soviets for the...HKP-20218Now: $13.95Was: $19.95 -
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 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 HK MR556/MR762/416/417 Battle Grip w/ Storage - Black
H&K Heckler & Koch
$79.95H&K HK MR556/MR762/416/417 Battle Grip w/ Storage - Black 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 grip on the...HKP-00033$79.95 -
H&K MP5 & MP5K F Style Roller Retainer Plate - 3rd Gen
H&K Heckler & Koch
$14.95HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...HKP-00069$14.95 -
HKP HK21 T-Rail Set - 7.62x51/.308
HKP HK Parts
$119.95HKP HK 21 (7.62x51/.308) Factory Style T-Rail Set HKP HK21 US made rails for all HK21 and FMP21 builds. Our steel T-rails incorporate an updated radius to address a weak link in previous iterations. Compatible With: HK21 FMP21HKP-21457$119.95 -
HK G36/SL8 (5.56/.223) Barrel Wrench
$139.95Barrel Wrench HK SL8 & G36 It will fit everything from the 9" G-36C to the 20" SL-8. The wrench features 3 points of contact to ensure maximum connection and maximum torque to the barrel nut. It also features a 3/8" drive socket to allow loosening...HKP-00283$139.95 -
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 -
HKP HK MP5K Magpul VFG w/Cantilever M-LOK Rail - Black
HKP HK Parts
$69.95HKP HK MP5K Magpul VFG w/Cantilever M-LOK Rail - Black New VFG for the MP5K platform is now M-LOK compatible and comes pre attached with a Magpul M-LOK polymer cantilever rail. The perfect combination to install lights or lasers. M-LOK slots are...HKP-20738$69.95 -
On Sale
H&K HK G36/MP7/MP5 Complete Poster Set
H&K Heckler & Koch
Now: $9.95Was: $24.95H&K HK G36/MP7/MP5 Complete Poster Set Specifications: MP5 Parts Diagram: Height- 24" Width- 36" G36: Height- 24" Width- 18" MP7: Height- 24" Width- 18"HKP-16691Now: $9.95Was: $24.95 -
Out Of Stock
H&K HK USP Full Size Ambidextrous Control Lever Set
H&K Heckler & Koch
$97.95Ambidextrous Left & Right Side Control Lever Set. Genuine Heckler & Koch ambidextrous control lever kit includes left and right side control lever as well as the roll pin - everything that's needed for installation on all USP or USPC...HKP-00916$97.95 -
Ejector Lever Axle Retaining Spring
USA
$1.95Ejector Lever Axle Retaining Spring This is the perfect spring ring to replace your worn out ejector lever axle spring ring. Made to HK spec for the best US replacement part on the market. Replacement of the retaining spring clip is necessary to keep...HKP-20629$1.95 -
H&K MP5 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K MP5 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - LIKE NEW Perfect upgrade for your older SEF contoured trigger pack or to dress up your HK firearm. Specifications: Push Pin Made In Germany SEF Pictogram...HKP-19892$99.95 -
HKP MP5 A3 Retractable Stock Buffer
HKP HK Parts
$6.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable Stocks The A3 stock buffer is a high wear and common replacement items that does need to be replaced when they become torn, cracked, brittle, discolored & worn. These units are made from...HKP-18160$6.74 -
On Sale
HKP HK UMP (9mm) 30 Round Magazine
HKP HK Parts
Now: $39.95Was: $49.95UMP 9mm 30 Round Factory Magazine - USA UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30 round magazine capacity. Each magazine counts as 3 U.S. Made compliant parts as an added bonus! This is the finest...HKP-17701Now: $39.95Was: $49.95 -
MFI MP5, 94 Extended Low Profile Scope Mount - Windowed
MFI
$119.95MFI MP5, 94 Extended Low Profile Scope Mount-Windowed MFI's newest addition to the line-up is a full inch longer, measuring 6.5 inches and featuring windows to view the factory serial number through the mount. This option is the longest, low-profile...HKP-16225$119.95 -
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 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin
H&K Heckler & Koch
$11.94HK German USC, UMP Barrel Pin - German HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP & USC models. A great upgrade...HKP-00603$11.94 -
HKP HK 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Carrier Assembly & Disassembly Tool
HKP HK Parts
$19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...HKP-00785$19.87 -
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 HK SL8 & HK G36 Top Rail Screw
HKP HK Parts
$5.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-20330$5.95 -
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 Picatinny Rail For HK Receivers - 17 Slot
HKP HK Parts
$69.95HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-01446$69.95 -
HKP Cocking Tube End Cap-Steel
HKP HK Parts
$14.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerHKP-17580$14.95