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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SB Tactical MP5K/SP89/SP5K 9mm Side Folding Brace
SB Tactical
$249.95HK MP5K, SP89, SP5K & Clone - Side Folding Pistol Stabilizing Brace MP5K, SP5K, Zenith Z5P, Z-5K Folding Stabilizing Brace System Includes: SB89 MP5K, SP89 Or MP5K, SP5K side folding pistol brace Each brace comes assembled ready to install no...HKP-18016$249.95 -
JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Stock, Brace Adapter - Black
JMAC Customs
$94.95Picatinney Stock/Brace Adapter - RSA-MP5 - HK SP5Finally a way to mount 1913 stocks/braces to your favorite full-size MP5 clone! This adapter will fit the Standard/Full Size MP5 as well as HK33 (556). It has a Picatinny rail machined on the rear which...HKP-19305$94.95 -
Magpul PMAG 30 Round AR-15 5.56 / .223 Magazine-Windowed
Magpul
$15.95The 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 non Colt-spec platforms such as the HK 416 and MR556A1,...HKP-16441$15.95 -
MFI Snap Sling Hook 1.25"
MFI
$4.95HK Style 1.25" Snap Hook For Sling This sling hook is designed for wider 1.25" width slings. Made in the USA, and is great for HK sling projects and spares. We offer the 1" and the 1.25" sling hooks for all your HK projects.HKP-01523$4.95 -
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 -
RCM MP5 & MP5K 9mm Extractor
RCM
$29.95Made 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. These are simply the finest US made extractors available...HKP-20959$29.95 -
HKP MP5 A3 Retractable Stock Buffer
HKP HK Parts
$6.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable StocksThe 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 -
H&K Full Auto Paddle Magazine Release Bushing - New
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 -
HK/Walther 25 Round HK MP5 .22LR Magazine - Bundle of 5
H&K, Walther, Umarex
$169.95HK MP5 .22 - 25 Round Magazine - Bundle of 5 Magazines Brand New HK /Walther German manufactured for the HK MP5 22 & MP5 22SD .22 rifle. Each magazine offers a 25 round magazine capacity & fits all HK, Walther, Umarex MP5 A5 & MP5 SD ...HKP-20605$169.95 -
HKP MP5 & MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine Release
HKP HK Parts
$29.47HK MP5, MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine ReleaseFactory German HK CORRECT latest generation Paddle mag release for all 9mm MP5, MP5K style builds. This offering is the latest generation MIM'ed paddle magazine release. Made to the...HKP-17570$29.47 -
HKP MP5 & MP5K 9MM Magazine Follower - RED
HKP HK Parts
$8.95Teflon 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 range aid at a great price. Made from self...HKP-18302$8.95 -
HKP MP5 & MP5K Barrel Thread Protector - 1/2 X 28
HKP HK Parts
$14.95New US made 1/2 X 28 thread protector designed for HK MP5, MP5K 3-lug & threaded barrel applications. This is the ideal thread protector for use on MP5, MP5-N & MP5K-N style 3-lug and threaded barrel types. This is the factory correct...HKP-16883$14.95 -
GSG9 HK UMP Folding Stock - Black
GSG9
$99.95UMP Folding Buttstock - GSG9New UMP folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). HK UMP .45 HK UMP .40 HK UMP 9mm HK USC-UMP conversionsCan also be used on B&T firearm and stock applications for a 1"...HKP-19910$99.95 -
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 91/G3 (7.62x51 / .308) Recoil Spring
H&K Heckler & Koch
$7.95HK German G3, 91, PTR Recoil Spring Best price in the country, on a new German HK factory recoil spring. No surplus or used springs here. Factory-fresh and HK German. Stock up at this price you can afford to keep a few as spares, why buy surplus springs...HKP-00360$7.95 -
Out Of Stock
HK 416, MR556 & MR762 Battle Grip With Storage - Black
$52.95HK 416-A5, MR556-A5 & MR762, HK 417 Battle Grip With Storage Compartment - BlackV7 New HK German V7 factory battle grip with a storage compartment in the bottom of the grip. Each grip will fit all AR-15/M-16 Lower Receivers As Well. Superior fit...HKP-17678$52.95 -
HKP HK Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95HK Pistol Grip Parts Storage Holder - SEF & Ambidextrous Housings A must-have item for storage, it doesn't have a battery compartment to maximize storage. This HK grip plug will fit all SEF or Ambidextrous housings that have the holding tabs in the...HKP-19452$29.95 -
H&K 90 Series Sear & Trigger Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus ConditionHK 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 -
B&T HK MP5K, HK SP5K UMP B&T Folding Stock - Black
B&T Brugger & Thomet
$274.95B&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. Fits all HK MP5K's, SP89's or clones (NFA rules apply). This is a...HKP-16944$274.95 -
Out Of Stock
B&T MP5, MP5K Low Profile Mount, Extended T1/T2
B&T Brugger & Thomet
$159.95B&T MP5, MP5K Low Profile Mount, Extended T1/T2 Works with Aimpoint T1/H1 & T/1/T2 style red dots such as the Vortex Viper, etc. Specifications: Color: Black Height max: 23.5 mm Length max: 138 mm Length of top rail: 138 mm Material:...HKP-16876$159.95 -
H&K MP5 & HK94 Firing Pin Spring
H&K Heckler & Koch
$9.95HK German MP5 & HK94 Firing Pin Spring Fits all of the MP5, SP5, SP5K, MP5K 9mm & 40/10 Variants including MP5, 94 clones.The firing pin is one of the most common repair and replacement items. Compatible with: MP5 SP5 SP5K MP5K 9mm & 40/10...HKP-00062$9.95 -
Out Of Stock
H&K 91/G3 (7.62x51 / .308) Firing Pin
H&K Heckler & Koch
$19.95HK G3, HK91, PTR 762/308 Firing Pin - German HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible with: HK G3 HK91 HK PTR CETME & C308HKP-00497$19.95 -
25 Round HK UMP 45 LWRC SMG 45 Magazine - FDE
USA
$49.95HK UMP 45 magazine & LWRC SMG45 - FDEMade from advanced polymer material with steel feed lips just like the German UMP 45 magazine at a fraction of the cost. This UMP 45 mag will fit all HK UMP .45 firearms as well as the LWRC SMG 45 and other UMP...HKP-20367$49.95 -
HKP HK G36/SL8 (5.56/.223) Bottom Rail - 6 inch
HKP HK Parts
$27.95G36 & HK SL8 6" Bottom Rail Fits the SL8 and G36 full-size forearms. This item is just over 6" in overall length and is made from aircraft-grade aluminum. Comes with the screws needed for installation. From the center of the screw holes, there are...HKP-00285$27.95 -
H&K MP5K/SP89/SP5K 9mm Shoulder Harness - Right Handed
H&K Heckler & Koch
$299.95HK MP5K, SP89 & SP5K Shoulder Rig - Right Hand HK MP5K, SP5K shoulder harness with 2X spare magazine pouch. This is the finest shoulder harness available and is the one used by the Secret Service and other operators when discretely carrying the HK...HKP-01295$299.95 -
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 -
HKP MP5 Sling Clip for Magwell
HKP HK Parts
$9.95This is the factory correct sling clip that attaches to the left hand side of the magwell.Note: 3 rivets are needed to attach - sold separatelyÂHKP-18313$9.95 -
H&K Cocking Tube End Cap-Steel
HKP HK Parts
$14.95Cocking Tube End Cap - Steel - USA This is the finest all steel cocking tube end cap available at a price that is simply the best part for the money anywhere. Nobody offers a part of this quality at this price.Manufactured from solid billet steel and...HKP-17580$14.95 -
H&K UMP (.45 ACP) 25 Round Magazine Spring
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) 25-Round Magazine Spring Perfect for spares and to have on hand as these are a consumable item that needs to be replaced from time to time. A must-have item if you own a USC/UMP conversion or UMP.HKP-01548$9.95 -
On Sale
HKP HK 91/G3 (7.62x51/.308) Rubberized Mag Pouch - Surplus
HKP HK Parts
Now: $4.95Was: $9.95German Surplus Green Rubberized Mag Pouch Used Fits the following HK style firearms: HK G3, 91, PTR & CETME Custom HK builds & HK Clones Please note: These range in shades of green color from OD green to Jungle green. If you have a...HKP-16321Now: $4.95Was: $9.95 -
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 -
H&K USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
$68.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.HKP-00811$68.95 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig Punch Set 20 Piece German Feeler Gauge SetHKP-18659$67.95 -
HKP SEF Style Franklin Armory Binary Aluminum Selectors
HKP HK Parts
$59.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum This new Selector Lever Set was modeled after the HK Style Selector Lever for the Franklin Armory Trigger Packs. This is the best selector set for...HKP-20103$59.95 -
HKP Semi Shelf Weldment - Metal Grip Housing
HKP HK Parts
$14.95HK German Specification Metal Trigger Frame Weldment For Semi Trigger Packs HK weldable semi block or shelf that is welded into the metal SEF style housings when converting them from full auto to semi. This is what is used to allow them to fit on the...HKP-16657$14.95 -
HKP Universal M-LOK Short Grip
HKP HK Parts
$29.95Short Vertical Grip For M-LOK This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. Just like the other full-size offering,...HKP-20681$29.95 -
H&K Single Point Sling - Quick Detach - Black
H&K Heckler & Koch
$29.95HK Single Point Sling in Black - Quick DetachSpecifications: Composition: Thick, all black, heavy-duty Cordura nylon Style: Bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1...HKP-19767$29.95 -
HKP 1/2 X 28 9mm Vented Micro Comp
HKP HK Parts
$29.95HK Parts Micro Comp - Vented - 9mm - 1/2 X 28 The HK Parts Micro Comp & Thread Protector is designed to be lightweight, and 100% functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any...HKP-19721$29.95 -
Out Of Stock
B&T HK MP5K, SP5K Telescopic Stock
B&T Brugger & Thomet
$549.95B&T Telescopic Stock - HK MP5K, SP5K B&T Telescopic 5 position retractable stock for HK SP5K/MP5K and clones Specifications: Length Adjustable in 5 positions Includes replaceable Elastomer buffer Fits the MP5K, SP5K style of firearmsHKP-19862$549.95 -
SB Tactical, B&T HK MP5, SP5 Swiss Folding Brace
SB Tactical, B&T Brugger & Thomet
$299.95B&T MP5, SP5 Folding Brace - Swiss/USA Factory Swiss B&T MP5, SP5 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 slightly used...HKP-19353$299.95