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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Out Of Stock
Surefire 628 forearm complete - Used cracked pad
Surefire
$199.95Surefire 628 forearm complete - Used cracked pad Surefire 628 forearm complete with flashlight bezel USED CRACKED PAD single momentary (see photos). All have been tested and fully functional. Cracks on the pad may vary. Sold as is.HKP-19406$199.95 -
Top Rail - HK USC / UMP
Tommy Built
$119.95Top Rail - HK USC / UMP A TommyBuilt designed black, anodized aluminum, high rise top rail for your TMP, USC or UMP. Includes: Mounting screws (2)HKP-20744$119.95 -
On Sale
TPM AR-15 Enhanced Firing Pin
Tactical Precision MFG
Now: $19.95Was: $24.99TPM AR-15 Enhanced Firing Pin These AR-15 firing pins are precision machined using CNC Swiss turning centers. The titanium AR-15 firing pin is made from Grade 6 titanium which has an ultimate tensile strength of 140,000 psi. titanium is 40% lighter than...HKP-20911Now: $19.95Was: $24.99 -
On Sale
TPM Ruger Bolt Shroud - Black
Tactical Precision MFG
Now: $49.95Was: $66.99TPM Ruger Bolt Shroud - Black This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5 (6al4v) titanium...HKP-20899Now: $49.95Was: $66.99 -
XS Front & Rear Night Sight System - HK
XS Sight Systems
$139.95XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.HKP-00883$139.95 -
B&T HK MG5 Unigrip QD with Bipod
B&T Brugger & Thomet
$239.95B&T HK MG5 Unigrip QD with Bipod This grip is made for the HK MG5 but is very versatile and can attacht to any firearm that has a forearm with a picatinny rail. It is primarily a foregrip, but due to the integrated bipod (which can be deployed...HKP-21051$239.95 -
B&T Unigrip for TL99
B&T Brugger & Thomet
$159.95B&T Unigrip for TL99 This for grip is made to be used with the MP5 handguard with integrated tactical light (BT-400971-4). It mounts around the housing of the light in the handguard. This is a good options for those that already have the TL99...HKP-21228$159.95 -
Out Of Stock
Beta C-Mag HK 91/G3/MSG90 (7.62x51/.308) 100 Round Drum Magazine
Beta C-Mag
$0.00Beta C-Mag (7.62x51/.308) 100 Round Drum Magazine Includes C-MAG magazine in 7.62MM,308 G3/HK91 with clear covers, personal loader, black magazine pouch with carry strap, technical/owner's manual, and graphite dry lubricant. Compatible...HKP-02293$0.00 -
Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...HKP-21103$84.95 -
Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch
Comp-Tac
$44.95Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your MP5 .22 & GSG .22 The PLM mount allows for being securely...HKP-20100$44.95 -
F5 MFG 50 Round HK MP5/MP5K 9mm Drum - FDE
F5 MFG
$199.0050 Round Drum - 9mm - FDE - Flat Dark Earth - MP5, MP5K HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum...HKP-19217$199.00 -
On Sale
Gear Head Works Tailhook Mod 2C - Black
Gear Head Works
Now: $169.95Was: $259.95Gear Head Works Tailhook Mod 2C - Black We took our revolutionary MOD 2 brace and cut one and a half inches off to bring you the MOD 2C. With a collapsed length of 5.4" and weighing just 9.1 oz (without buffer and spring) it's a PDW package without the...HKP-19792Now: $169.95Was: $259.95 -
GSG9 HK G36 Complete Semi-Auto Bolt Group - Black
GSG9
$799.95GSG9 - HK G36 Semi-Auto Bolt Group Compatible With: HK G36 HK G36K HK G36C This will not work with a HK SL8.HKP-18944$799.95 -
H&K 33, 93 Full Auto Carrier Bolt Group - Used
H&K Heckler & Koch
$599.95H&K 33& 93 Full Auto Carrier Bolt Group - Used HK German manufactured for HK contract 33, 93 full auto bolt group, early style carrier with a half moon buffer. Used, but in good shape overall. Each Bolt Group Includes: HK33/93 F/A Carrier...HKP-00712$599.95 -
Out Of Stock
H&K 21 (7.62x51/.308) Carry Handle Axle Elbow Spring
HKP HK Parts
$11.95HK21 & 21E Carry Handle Axle Elbow Spring This part is needed and is used in conjunction with the actual carry handle, axle, axle spring, and (2) E-clips. This is the elbow spring portion of the needed part for the assembly.HKP-00578$11.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Extended Cocking Handle
H&K Heckler & Koch
$0.00HK21E, HK23E & HK11E, 13E Factory German Extended Cocking Handle This cocking handle is for the HK 21E, HK 23E guns only and will not work in HK91, G3 & PTR rifles.HKP-00580$0.00 -
Out Of Stock
H&K 416A5 RAL 8K Stripped Upper Receiver
H&K Heckler & Koch
$0.00HK German Un-Assembled Stripped HK 416A5 Upper Receiver - RAL 8K Brand new factory German RAL 8000 416A5 upper receiver. Compatible With: HK MR556 HK MR223 HK 416 Looking for a matching lower for your build? STS416 A5 LOWER - Specialized Tactical...HKP-18787$0.00 -
H&K 91/G3 (7.62x51/.308) Magazine Unloader
H&K Heckler & Koch
$49.95HK Factory German Unloader For HK 91, G3, And PTR Magazines Brand new HK German manufactured magazine loader for the alloy or steel mags. Made from all steel construction. Compatible With: HK 91 magazines HK G3 magazines PTR, CETME HK PSG-1 magazines HK...HKP-01508$49.95 -
H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - OD Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - OD Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings. Features: HK...HKP-18888$139.95 -
H&K Bolt Locking Lever Pin/Cylindrical Pin
H&K Heckler & Koch
$4.95H&K Bolt Locking Lever Pin/Cylindrical Pin New HK91, G3, PTR-91 .308 & HK 93, 33, 53 Bolt Carrier Bolt Locking Lever pin (cylindrical pin). This item holds the locking lever & spring in place on the actual bolt head.HKP-16913$4.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...HKP-00513$179.95 -
H&K G36/SL8 (5.56/.223) Bolt Catch Spring
H&K Heckler & Koch
$9.95HK German G36 & SL8 Bolt Catch SpringHKP-01861$9.95 -
H&K G36/SL8 (5.56/.223) Bolt Heads Ejector
H&K Heckler & Koch
$19.95HK G36/SL8 HK German Bolt Head EjectorHKP-01868$19.95 -
Out Of Stock
H&K G36K Parts Kit w/ Rear Hinge Section
H&K Heckler & Koch
$3,995.00G36K Parts Kit Complete With Stock Hinge Section Finally a factory German HK G36K parts kit with the most desirable of parts and the ultra desirable stock hinge section. Click this link to complete your build with a DEFGUNZ DEF36 receiver...HKP-00269$3,995.00 -
H&K HK G36/G36K Gas Block
H&K Heckler & Koch
$99.95HK G36E, G36K - Gas Block - German HK The real deal. HK German G36E, G36K Factory Gas Block. New uninstalled. Compatible With: SL8 Other G36 variants and custom builds and projectsHKP-16351$99.95 -
H&K HK G36C Incomplete Gas Piston Rod - Black
H&K Heckler & Koch
$49.95H&K HK G36C Incomplete Gas Piston Rod - Black A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part.HKP-17009$49.95 -
H&K HK MP5 4 Position Retractable Buttstock - RAL 8K
H&K Heckler & Koch
$594.95HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position - RAL 8K This German HK A3 retractable is the latest & greatest HK retractable German stock available. Now in the desirable RAL 8000 color. The F stock is designed to take...HKP-21265$594.95 -
H&K HK MR556/416 Complete Floor Plate
H&K Heckler & Koch
$10.95HK German HK 416, MR556 Floor Plate Extension Complete All steel HK Marked 30, 20 & 10 round floor plates. Each unit comes complete with the rubber bushing installed in the maritime finish. It is a great spare to have on hand as these do break...HKP-15209$10.95 -
H&K HK MR556/416 Handguard Picatinny Quad Rail - FDE
H&K Heckler & Koch
$549.95H&K HK MR556/416 Handguard Picatinny Quad Rail - FDE Handguard with Picatinny Quad Rail profile on 3, 6 and 9 o'clock, STANAG 4694 profile on 12 o'clock. New HK German. Compatible With: HK 416 A5 - 14.5" HK 416 A5 - 16.5" HK 416 A5 - 20"HKP-18553$549.95 -
H&K HK MR762 Ejection Door Clamping Sleeve
H&K Heckler & Koch
$4.95H&K HK MR762 Ejection Door Clamping SleeveHKP-16518$4.95 -
H&K HK MR762/417/G28 Adjustable Buttstock - Black
H&K Heckler & Koch
$397.95HK G28 Fully Adjustable Stock For The MR762 & HK 417 - Black Just in and hard to find. The HK G28 adjustable stock upgrade is to be used on the MR762, HK417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for...HKP-16721$397.95 -
H&K MP5 40/10 High Impulse Locking Piece #25
H&K Heckler & Koch
$229.95New HK German MP5 40 or MP5 10mm High Impulse Locking Piece Marked #25 This is the 60-degree locking piece that is used for high-impulse ammo, commonly found in +P or +P+ ammo. This locking piece is needed to cycle these hot loads without excessive...HKP-00437$229.95 -
H&K MP5 9mm Grenade Launcher Attachment - 3-Lug
H&K Heckler & Koch
$149.95H&K MP5 9mm Grenade Launcher Attachment - 3-Lug This is a rare part and hard to come by. Perfect for MP5 9mm series. Specifications: 3-Lug Compatible With: HK MP5/MP5K HK SP5/SP5K HK 94HKP-16975$149.95 -
H&K MP5, HK94 Steel Cocking Tube Support
H&K Heckler & Koch
$84.95New HK Factory German MP5 & HK94 All Steel Cocking Tube Support Each HK cocking tube support is a factory German HK part that comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic...HKP-00094$84.95 -
Out Of Stock
H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack
H&K Heckler & Koch
$0.00H&K MP5/K 9mm Ambidextrous Navy Style Trigger Pack Designed for HK MP5 and MP5K 9mm ambidextrous housings and selector levers, this trigger pack features a Navy-style configuration with three positions: Safe, Semi, and Full. It offers the classic...HKP-16971$0.00 -
HK MP5/94 3 Position Semi-Only Trigger Group 5 US Made Compliant Parts w/ Flat Trigger
$649.95Trigger Group - Semi-Only - 3 Position - 5 US Made Compliant Parts with Flat Trigger - MP5/94 Ambidextrous Trigger Group - Semi Auto - 5 U.S Parts Includes: Housing Hammer Sear Flat trigger Trigger box Push pin housing if c/p is needed please add the...HKP-19939$649.95 -
HK MP5K & SP89 - FBI Trigger Group Complete
H&K Heckler & Koch
$749.95HK MP5K & SP89 - FBI Trigger Group Complete New HK German. This is a great upgrade and investment for your HK SP-89 or MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest HK upgraded parts...HKP-00401$749.95 -
Out Of Stock
HK SL8/G36 Extended Bolt Hold Open Lever
H&K Heckler & Koch
$59.95HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...HKP-17719$59.95 -
HKP (5.56x.223) A5 4 Prong Flash Hider - Threaded 1/2x28
HKP HK Parts
$64.95HKP (5.56x.223) A5 4 Prong Flash Hider - Threaded 1/2x28 Our new 4 prong 416A5 flash hider is what your 416 build is missing. Made from ordnance grade steel, heat treated, and Melonited (Nitride process) for maximum efficiency & longevity. Machined...HKP-21275$64.95 -
Out Of Stock
HKP HK 416 Upper Receiver
HKP HK Parts
$489.95US Made Complete HK 416, MR556 Style Upper Receiver New US made HK416/MR556 style upper receiver. Includes: Upper receiver Forward assist assembly Ejection port door assembly Piston guide Compatible With: HK MR556 HK MR223 HK 416 Need a...HKP-17783$489.95