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 HK MR762 Firing Pin
HKP HK Parts
$29.95H&K HK MR762 Firing Pin Specifications: Made in the USA Compatible With: HK MR762HKP-17795$29.95 -
H&K HK MR762/417/G28 Firing Pin
H&K Heckler & Koch
$64.95Firing Pin MR762 & HK 417 Firearm - German HK A must have wear and replacement item for your MR762 or HK 417 Firearm. Compatible With: MR762 HK 417 G28HKP-16613$64.95 -
Out Of Stock
H&K HK UMP .40 - 30 Round Magazine - Used
H&K Heckler & Koch
$49.9530 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40HKP-20816$49.95 -
Out Of Stock
H&K HK21 (7.62x51/.308) Locking Piece
H&K Heckler & Koch
$149.95H&K HK21 (7.62x51/.308) Locking Piece - New Factory, Old Stock The HK21 standard 50-degree locking piece. Each LP includes the hardness "dot" to identify them as HK 21 locking pieces.HKP-01745$149.95 -
H&K HK417/MR556 Trigger, Hammer Pin
H&K Heckler & Koch
$14.99H&K HK417/MR556 Trigger, Hammer PinHKP-15456$14.99 -
Out Of Stock
H&K MP5 40/10 3 Position (0,1,F) Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5 40/10 3 Position (0,1,F) Navy Style Trigger Housing - Push Pin This rare ambidextrous Navy lower housing features a 3 position pictogram (0,1,F) and is specifically designed for the HK MP5 40 series. Unlike the standard MP5 housing, this...HKP-01270$0.00 -
H&K MP5 40/10 Bolt Hold Open Axle Roll Pin
H&K Heckler & Koch
$8.95H&K MP5 40/10 Bolt Hold Open Axle Roll PinHKP-01634$8.95 -
Out Of Stock
H&K MP5 40/10 Field Cleaning Kit
H&K / HK Parts
$79.95H&K MP5 40/10 Field Cleaning Kit This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder Chamber Face...HKP-00340$79.95 -
H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$199.95H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned Each housing is clipped & pinned for the semi-auto shelf of the HK MP5K builds or SP89 firearms. Specifications: Made In Germany Clipped & Pinned SEF Pictogram...HKP-00407$199.95 -
H&K PSG1/MSG90 (7.62x51/.308) Trigger Shoe Adjustment Tool
H&K Heckler & Koch
$19.95HK German Factory PSG-1, MSG90 Trigger Shoe Adjustment Tool A custom tool that allows you take the trigger shoe on and off and make Compatible With: HK PSG1 & MSG90 trigger shoesHKP-18181$19.95 -
H&K UMP (.40 S&W) 30 Round Magazine
H&K Heckler & Koch
$79.95HK German UMP .40 cal 30 Round Factory Magazine New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40HKP-00607$79.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Lower Bolt Carrier Guide
H&K Heckler & Koch
$12.95HK German All Steel UMP Carrier Guide This is the steel piece the guides the UMP bolt carrier. Compatible With: All HK UMP lowersHKP-16500$12.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight Complete
H&K Heckler & Koch
$45.95HK USC and UMP Rear Sight Complete Compatible With: USC. 45 UMP 9mm UMP .40 UMP .45HKP-16634$45.95 -
H&K USC (.45 ACP) Carbine Mag Release Axle
H&K Heckler & Koch
$18.95HK German USC Magazine Release Axle This is a great replacement as they are prone to breakage and wear. These are also a missing part in some states where bullet buttons are required. This part is compatible with all HK USC...HKP-02584$18.95 -
HK MP5SD 9mm Barrel - Threaded 18x1
USA
$149.95HK MP5SD 9mm Barrel - Threaded 18x1 This high-quality barrel, processed with a durable nitride finish, is precision milled to the latest specifications and features 16 flutes in the chamber. Designed to accept both factory HK and RCM suppressors, it is...HKP-20615$149.95 -
HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull
HKP HK Parts
$439.95HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull These trigger packs start as a F/A pack and gets professionally converted to the BATFE specs so you can rest assured the trigger pack is done correctly and to spec. These refinished trigger...HKP-20312$439.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Trigger Group (0,1) - 2 Position - Safe/Semi Only
HKP HK Parts
$429.95G3, 91, PTR Trigger Group 2 Position Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & rare all-German HK FBI or 0,1 ambidextrous trigger group in a 2 position factory German HK housing. Each trigger group features a...HKP-17235$429.95 -
HKP HK MP5K/SP89 9mm Flat Receiver
HKP HK Parts
$199.95MP5K, SP89 Receiver Flat - 9mm New MP5K receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier...HKP-20733$199.95 -
HKP HK UMP Stock Block - B Push Pin
HKP HK Parts
$34.95Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)HKP-21249$34.95 -
HKP MP5F & MP5 40,10 Cocking Tube, Handle, Support Combo
HKP HK Parts
$249.95HKP MP5F & MP5 40,10 Cocking Tube, Handle, Support Combo HK MP5 40/10 or MP5 F factory correct USA made cocking tube and cocking tube support assembly complete. This is a factory correct MP5F/MP5 40/10 Cocking tube assembly complete. This assembly...HKP-18152$249.95 -
HKP MP5K/SP89/SP5K 9mm AR Stock Adapter
HKP HK Parts
$114.95HK MP5K, SP89 Style AR, M4 Stock & Brace Adapter 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 is the finest...HKP-17138$114.95 -
HKP MP5K/SP89/SP5K 9mm Cocking Tube - For Lefties
HKP HK Parts
$99.95US Made MP5K, SP89, MP5K-N, MP5K-PDW Cocking Tube- For Left Handed Shooters Made to exact HK German specifications only made for left handed shooters. The "J" channel is on the right hand side for a left handed shooter. Totally custom cocking tube,...HKP-17105$99.95 -
On Sale
JMAC G36/HK33 Compensator 15F KeyMount (KeyMicro)
JMAC Customs
Now: $59.95Was: $99.95JMAC G36/HK33 (5.56/.223) Recoil Reduction Device - 2 Port Compensator 15-1 Threads - KeyMount (KeyMicro) Can be permanently attached to a 14.5" barrel to achieve 16" OAL. Compatible With: HK G36C (NOT compatible with first gen. HK G36C & Tommy...HKP-21254Now: $59.95Was: $99.95 -
KCI HK MP5 Locking Plate
KCI
$3.49KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5HKP-21377$3.49 -
MP5SD 9mm Cocking Tube End Cap Weldment
$34.95MP5SD Cocking Tube End Cap Weldment For MP5 Front Sight Towers Milled from solid billet. American made MP5SD cocking tube end cap weldment for use with all MP5 front sight towers for the best looking weldment available. Available exclusively at HK Parts...HKP-15702$34.95 -
PTR HK 91/G3 (7.62x51/.308) Full Auto Bolt Carrier - Tungsten Filled
PTR
$299.95US-Made F/A G3, 91, and PTR-91 Bolt Carrier - Full Auto Carrier - Tungsten Filled PTR uses the exact Heckler & Koch specs and the same steel to manufacture their carriers. PTR uses HK factory blueprints for manufacturing & quality control. This...HKP-01777$299.95 -
PTR HK 93/53/33 # 7 Locking Piece 55 Degree
PTR
$49.95PTR HK 93/53/33 # 7 Locking Piece 55 Degree New US Made 55 Degree #7 Locking Piece For the HK 93, 33, C93 & V93 Rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable...hkp-18470$49.95 -
RCM HK 93/53/33 # 7 Locking Piece 55 Degree
RCM
$49.95RCM HK 93/53/33 # 7 Locking Piece 55 Degree New 55 Degree #7 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable locking...HKP-16556$49.95 -
RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$244.95RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH Manufactured to exact G3K specifications from cold hammer forged (CHF) steel, this barrel is a direct replacement for worn G3K barrels or ideal for your HKG3K build. It also counts as one US compliance...HKP-01499$244.95 -
RCM MP5 40/10 Low Impulse Locking Piece #24
RCM
$44.95RCM MP5 40/10 Low Impulse Locking Piece #24 Made out of enhanced material and heat treated to spec. The # 24 is the 90-degree locking piece. This is also the standard non-high impulse ammo locking piece. Compatible With: MP5...HKP-15148$44.95 -
Solar Tactical HK MR556/MR762 Kydex Grip Wrap - Black
Solar Tactical
$89.95Kydex Grip Wrap - HK MR762 & MR556 Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds. Preban hi-capacity...HKP-18891$89.95 -
Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots
Strike Industries
$25.95Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...HKP-17594$25.95 -
Trijicon HK SP89, Carbines, Rifles Bright & Tough Night Sights
Trijicon
$159.95Trijicon HK SP89, Carbines, Rifles Bright & Tough Night Sights Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they...HKP-20321$159.95 -
Trijicon RMR/SRO 45° Rail Offset Adapter
USA
$84.95Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...HKP-20336$84.95 -
B&T TP9/MP9 Extractor Spring
B&T Brugger & Thomet
$9.95B&T TP9/MP9 Extractor Spring Swiss B&T manufactured TP9 & MP9 extractor spring. A must have spare part! Compatible With: TP9 MP9HKP-17300$9.95 -
B&T TP9/MP9 Picatinny Brass Catcher Side Rail
B&T Brugger & Thomet
$55.95B&T TP9/MP9 Picatinny Brass Catcher Side Rail New Swiss Made. Fits the brass catcher for the TP9, MP9 firearms. Please note that the hardware is not included as they are riveted on at the B&T factory in most cases before shipping however, the...HKP-17296$55.95 -
On Sale
Cleaning Kit - Soft Pouch
Now: $9.95Was: $14.95Cleaning Kit - Soft Pouch This soft pouch cleaning kit is a New old stock soft pouch cleaning kit that includes the proper tools to clean and lubricate your firearm. Includes the following: Soft pouch Wicks and oiler canister pull through tubing rope 2...HKP-21274Now: $9.95Was: $14.95 -
Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green
Ergo
$59.95Ergo Tactical Deluxe Grip w/ Palm Shelf - OD Green The Tactical Deluxe with Palm Shelf is the same size and shape as the Tactical Deluxe grip but has the addition of an adjustable palm shelf to support your firing hand. This grip excels on precision...HKP-19981$59.95 -
Geissele HK 417 Trigger
Geissele
$489.95HK MR 762 Trigger- Geissele Compatible With: HK 417 select fire models NOT work in the MR762 models without customization Please Note: After installing the HK 417 trigger you must cock the hammer in order to engage the safety unlike the HK trigger...HKP-16478$489.95 -
On Sale
GG&G Picatinny to Harris Bipod Adapter
GG&G
Now: $14.95Was: $39.95Harris Bipod Adapter Made By GG&G Enables a Harris Bi-pod to attach to a mil-spec Picatinny rail. GG&G's AR-15 Harris Bipod Adapter is rugged and low profile. Features of the GG&G Bipod Adapter include a stationary standard swivel stud, a...HKP-02307Now: $14.95Was: $39.95