Triggers / Packs / Housings
Discover our extensive selection of HK triggers, packs, and housings, designed to enhance the functionality and performance of your Heckler & Koch firearms. From advanced binary triggers to competition-grade packs and Navy-style housings, our products cater to a variety of HK models including the MP5, HK416, and G3 series. Upgrade your firearm with our precision-engineered triggers for improved accuracy and responsiveness.
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HK Pistol Trigger Return Spring Tool
USA
$16.95HK Trigger Return Spring Tool - Pliers It is no secret that the hardest spring to install in the HK series of handguns from the USP, USPC to the modern HK45, HK45C & P30 & VP9 series is the trigger return spring. In many cases, installing the...HKP-16031$16.95 -
HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49HK 416 .22 & Colt M4 - .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs: The HK Parts Match drop-in spring upgrade set will enhance your HK 416's trigger pull to an even smooth, crisp, and lighter pull that will promote better control,...HKP-17340$17.49 -
H&K US Ejector Lever Axle
H&K Heckler & Koch
$6.95H&K US Ejector Lever Axle This US ejector lever axle pin holds the ejector lever in place in the trigger pack. Made out to HK spec for the best US replacement part on the market. The best replacement for your worn out or broken axle. A must have...HKP-20630$6.95 -
HK MP5 .22 Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49H&K MP5 .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs The HK Parts Match drop-in spring upgrade set will enhance your MP5-22's trigger pull to an even smooth, crisp, and lighter pull that will promote better control, which in turn promotes...HKP-17335$17.49 -
H&K HK Pistol Light Trigger Return Spring
H&K Heckler & Koch
$7.95HK Pistol Light Trigger Return Spring Great for LEM and standard variant conversions. Each spring should be used along with the light-firing pin block spring, as shown below in the related items. Compatible With: HK USP Full Size (9mm, .40 & .45) HK...HKP-02081$7.95 -
H&K SEF Long Axle Selector Lever For Polymer Trigger Housings
H&K Heckler & Koch
$24.95HK SEF Longer Axle Selector Lever For The Polymer SEF Type Grips Or Trigger Housings - Used This is the factory-correct selector lever for SEF or SEF-style semi-auto-style trigger packs and grip frames. These are pulled from German HK SEF trigger...HKP-01105$24.95 -
H&K HK P30 Series Light Trigger Return Spring
H&K Heckler & Koch
$7.95Light Trigger Return Spring This spring is a popular choice for those who opt for custom trigger pulls and spring conversions. It's also known as the "light" trigger return spring for the P30 series of pistols. Converts a V2 heavy LEM to a light V1...HKP-01801$7.95 -
Grayguns HK P30/P30L/P30SK Straight Trigger
Grayguns
$95.00Grayguns HK P30/P30L/P30SK Straight Trigger Designed by Keith Hosey, Grayguns' director of gunsmithing, the HK P30 Straight Trigger is a first-of-its-kind in the market. Fits all P30 variants. Reduces over-travel while featuring a 90-degree optimal...HKP-19748$95.00 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete
H&K Heckler & Koch
$349.95HK MP5 - 9mm SEF Full Auto Trigger Pack Complete - German Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our trigger packs. Each used...HKP-00981$349.95 -
Magpul Industries ESK SL Grip Modules & HK Polymer Trigger Housings
Magpul
$47.95Magpul Industries HK MP5/SP5 Enhanced Selector Set The Magpul ESK (Enhanced Selector Kit) offers a versatile range of selector levers specifically designed for the Magpul SL Grip Module and HK Polymer Trigger Housings. The ESK delivers a modular,...HKP-19308$47.95 -
HKP 90 Series Flat Trigger - Enhanced
HKP HK Parts
$49.95HKP 90 Series Flat Trigger - Enhanced With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series trigger. Each enhanced flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as...HKP-18364$49.95 -
Lazy Wolf VP Series F3 Full Flat Face Trigger - Black
Lazy Wolf
$129.95Lazy Wolf VP Series F3 Full Flat Face Trigger - Black In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after more than...HKP-17988$129.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
$74.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - USED HK German factory date coded 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...HKP-19997$74.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
$29.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED This grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. This is truly an affordable upgrade for your...HKP-17354$29.95 -
Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit
Lazy Wolf
$19.95Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit Based on the Lazy Wolf Guns Design. We now have an intermediate drop in set of springs for the utmost in performance and reliability in ALL VP9 family pistols. Defensive carry,...HKP-19515$19.95 -
H&K HK Pistol Match Trigger Return Spring
H&K Heckler & Koch
$8.95HK Pistol Match Trigger Return Spring This is the TRS that is in the Match trigger kit. This spring works better with the SA/DA and is lighter than the standard trigger return spring. This is a great spare part to have on hand...HKP-02666$8.95 -
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 -
Magpul HK MP5, HK 94, HK 93, HK 91, PTR SL Grip Module Semi Shelf - Black
Magpul
$59.95Magpul - SL Grip Module - HKMP5/94/93/91 & Semi Shelf & HK Clones The Magpul SL Grip Module is a high-strength, injection-molded polymer grip module for HK MP5/94/93/91 & Semi Shelf HK Clones*. Designed with improved ergonomics, a non-slip...HKP-19320$59.95 -
H&K 90 Series Sear & Trigger Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK 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 -
H&K HK VP9/VP9SK, HK VP40 Trigger Return Spring
H&K Heckler & Koch
$3.95H&K HK VP9/VP9SK, HK VP40 Trigger Return Spring HK German stock trigger return spring. A must have spare part as the factory spring will wear with use. The TRS can also be damaged upon install if the spring tool is not used to install. Please order...HKP-16783$3.95 -
H&K MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin
H&K Heckler & Koch
$499.95HK German MP5 SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...HKP-18094$499.95 -
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 axel spring ring. Made out 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 HK P30 Series Trigger V4 Medium Weight Return Spring
H&K Heckler & Koch
$14.95Trigger Return Spring For V4.1 or Combat Defensive Action (CDA) Trigger for the HK P30, P30L pistols. This spring is also known as the medium weight trigger return spring. Found on all (European CDA) variant 4.1's. Compatible With: P30 P30L P30S All LEM...HKP-16745$14.95 -
PTR Trigger - 90 Series - Billeted - USA
PTR
$45.95PTR Trigger - 90 Series - Billeted - USA Made by PTR for the US market by a name that is known for quality, you know it is the best offering available. It will fit all 0,1, and SEF-style trigger packs. Each part counts as one US-made compliant...HKP-00380$45.95 -
H&K HK USP/USP Tactical Match Trigger Conversion Kit
H&K Heckler & Koch
$189.95H&K HK USP/USP Tactical Match Trigger Conversion Kit The HK USP Match Trigger Kit is a true drop-in kit for USP full-size pistols. This will fit all of the HK German USP 9mm, 40 & .45 Cal pistols. The match trigger kit will adjust the trigger...HKP-01039$189.95 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete - Used
H&K Heckler & Koch
$289.95H&K MP5/K 9mm SEF Full Auto Complete Trigger Pack - USED Each factory full auto trigger pack includes a new 9mm 3rd generation german ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our trigger packs. Each used...HKP-21356$289.95 -
H&K G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing
H&K Heckler & Koch
$349.95H&K G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing This lower housing is available without internals, a unique offering as G36 lowers previously only came as complete trigger groups with both grip and internals. Ideal for SL8 to G36...HKP-01504$349.95 -
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 -
H&K 90 Series Hammer Axle For Trigger Pack
H&K Heckler & Koch
$2.77H&K 90 Series Hammer Axle For Trigger Pack HK German used hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of...HKP-15444$2.77 -
Lazy Wolf VP Series F2 Flat Face Trigger - Black
Lazy Wolf
$129.95Lazy Wolf VP Series F2 Flat Face Trigger - Black In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series is the greatest trigger ever developed after more than a year...HKP-18747$129.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
H&K Heckler & Koch
$99.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...HKP-01824$99.95 -
H&K HK SEF & Navy 3 Position Trigger Spring
H&K Heckler & Koch
$4.95HK 90 Series SEF & Navy Style Trigger Return Spring For HK 90 series 91, 94, 93, etc. (semi or full-auto). This item will fit any NON-burst trigger pack. Compatible With: MP5, MP5K, SP89, & SP5K HK G3, HK91, PTR HK 93, 33, HK33K, &...HKP-01092$4.95 -
H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED
H&K Heckler & Koch
$29.95H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...HKP-19912$29.95 -
H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent
H&K Heckler & Koch
$149.95H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent In excellent shape! Most have never been on a firearm. They may have storage and handling marks on the polymer housing. Specifications: Made...HKP-19913$149.95 -
Franklin Armory / HKP HK MP5 Trigger Group – 2 Round Engraved Binary Housing
FA Franklin Armory / HKP
$1,299.95Franklin Armory BFSIII HK-C1/HKP MP5 Trigger Group – 2 Round Engraved Binary Housing - Clipped & Pinned 3 Position, 2 round burst style engraved pictograph – HK binary trigger group. Our latest and greatest Binary trigger group freshly...HKP-20969-M$1,299.95 -
HKP Semi Elbow Spring For Trigger Pack - Match Grade
HKP HK Parts
$3.74Match Grade Semi Auto Spacer Elbow Spring - USA Manufactured using the best isolated oil tempered, select spring steel available for match grade performance and the utmost longevity. For use on all HK semi auto trigger packs. A must have for those...HKP-18002$3.74 -
Sale
Lazy Wolf VP C1 Curved Series Trigger - Black
Lazy Wolf
Now: $99.95Was: $129.95C1 - Curved VP Series Trigger - Lazy Wolf Guns In a collaboration with Lazy Wolf Guns, HK Parts is offering the finest aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is a superior trigger, developed after more...HKP-18748Now: $99.95Was: $129.95 -
Grayguns HK P30, P2000 Short Reset System 4.1 Trigger
Grayguns
$90.00Grayguns HK P30, P2000 Short Reset System 4.1 Trigger Replicate our custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for...HKP-19754$90.00 -
Grayguns HK P2000 Straight Trigger
Grayguns
$95.00Grayguns HK P2000 Straight Trigger Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK P2000 Straight Trigger is a first-of-its-kind in the market. The trigger reduces over-travel while featuring a 90-degree optimal trigger...HKP-21071$95.00 -
H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - USED
H&K Heckler & Koch
$64.95H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - USED With the availability of available grip frames being hard to find these days. HK Parts has another offering that will not break the bank. Pulled from...HKP-19802$64.95