HK MP5/K & SP5/K 922r Compliant Parts
Upgrade your HK MP5, MP5K, SP5, or SP5K with 922r compliant parts while maintaining full ATF compliance. Browse our curated selection of high-quality US-made stocks, handguards, trigger groups, and more from top brands to build your dream HK MP5.
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Out Of Stock
HKP MP5K/SP89/SP5K 9mm Vertical Grip
HKP HK Parts
$29.95MP5K, SP89, SP5K Vertical "K" Grip - USA HK vertical grip for the HK MP5K models. Made in the USA and counts as one US made 922r compliant part. The finest US made forearm available. Compatible With: MP5K, MP5K-PDW, SP89 & SP5K...HKP-16474$29.95 -
HKP MP5 & MP5K 9mm Magazine Floor Plate
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922r compliance as it counts as 1 US made compliant...HKP-17507$9.95 -
HKP MP5SD Rubber Handguard
HKP HK Parts
$169.95HK MP5SD Rubber Handguard Made in the USAFits: MP5SD 9mm, MP5SD .40, MP5SD 10mm Counts as 1 US made 922r compliant part. These are only compatible with the HK Parts shroud. If you have a German Shroud you will want to get the German Handguard. HKP-00136HKP-17400$169.95 -
MI MP5 M-LOK Forearm
MI Midwest Industries
$124.95MI MP5 M-LOK Forearm Compatible professional grade one piece design Simple installation, include all tools Mil-spec top rail. Features 15 full and 5 half M-LOK slots. Features two anti-rotation QD sling swivel sockets. Constructed of 6061 aluminum, hard...HKP-18472$124.95 -
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 -
Magpul HK MP5, HK SP5, HK AP5 SL Hand Guard - Black
Magpul
$49.95 - $59.95Magpul HK MP5, HK SP5, HK AP5 SL Hand Guard The Magpul SL Hand Guard for the HK MP5 is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics and anti-slip texturing. It also includes M-LOK®...HKP-19309$49.95 - $59.95 -
Out Of Stock
HKP, Magpul MP5K VFG w/Rail Section - 3 Slots
HKP HK Parts, Magpul
$69.95HKP, Magpul MP5K VFG w/Rail Section - 3 Slots New VFG for the MP5K platform is now M-LOK compatible and comes with a Magpul Aluminum 3 slot rail. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a...HKP-20726$69.95 -
MP5, 94, HK53, 51 M-LOK Handguard
HKP HK Parts
$108.95HK MP5, 94, HK53, 51 Low Profile Forearm M-LOK ON SALE WHILE SUPPLIES LAST! LIMITED OFFER! The MLOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller...HKP-17148$108.95 -
Out Of Stock
HKP MP5, MP5K Cocking Handle - Extended
HKP HK Parts
$39.95HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...HKP-17149$39.95 -
HKP MP5 40/10 30 Round Magazine
HKP HK Parts
$49.95MP5 40/10 30 Round Magazine - US Each magazine comes black in color. Each magazine also counts as 3 US made compliance parts to aid in 922r compliance. Compatible With: MP5 .40 Cal MP5 10mm MP5 .357 Sig MP5 9X25mm Dillon Vector, Coharie, and other...HKP-16456$49.95 -
HKP HK MP5, MP5K Extended Cocking Handle - Enhanced
HKP HK Parts
$39.95HKP HK MP5, MP5K Extended Cocking Handle - Enhanced Enhanced extended cocking handle for the MP5 & MP5K style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made from solid steel billet. Also...HKP-18267$39.95 -
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 -
RCM MP5 9mm Full Auto Bolt Carrier
RCM
$179.95MP5 9mm Full Auto Bolt Carrier - RCM New US RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. They were machined completely from billet ordnance grade steel...HKP-01188$179.95 -
Magpul HK MP5K, HK SP5K, HK SP89 SL Hand Guard - Black
Magpul
$47.45Magpul HK MP5K, HK SP5K, HK SP89 SL Hand Guard - Black The Magpul SL Hand Guard for the SP89/MP5K/SP5K is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics, anti-slip texturing,...HKP-19310$47.45 -
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 -
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 -
MP5K, SP89 & SP5K - Forearm With Handstop
HKP HK Parts
$29.95MP5K, SP89, SP5K, Reverse Stretch Forearm With Hand Stop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus, this item counts as a US made part toward 922r compliance. Each forearm has the latest enhancements and upgrades...HKP-16466$29.95 -
Out Of Stock
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 -
DTAC MP5, HK94 Modular Handguard-M-LOK
DTAC Dakota Tactical
$165.95DTAC MP5, HK94 Modular Handguard - M-LOK Features: Made in the USA (922r compliant part) M-LOK accessory compatible 11 ergonomically placed full-slots and 5 half-slots yielding 22 possible accessory locations for maximum versatility Exclusive extended...HKP-17806$165.95 -
HKP HK MP5 M-Lok Wide Forearm - Black
HKP HK Parts
$49.95HKP HK MP5 M-LOK Wide Forearm - Black MP5 Wide handguard with M-LOK slots to quickly and easily attach any M-LOK style accessory. This is a great option for those that want to keep a factory MP5 look and still have the ability to add vertical grips,...HKP-21437$49.95 -
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 HK MP5 9mm Receiver Flat with Weldment Set
HKP HK Parts
$219.95HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...HKP-20920$219.95 -
RCM MP5K/SP89 9mm Full Auto Bolt Carrier
RCM
$179.95MP5K Full Auto Bolt Carrier - US- Made - RCM This part is machined from billet ordnance steel. Our US-made MP5K carrier is made to the most updated and latest MP5K F specs. Tungsten filled, heat treated, and factory fresh production. Providing the finest...HKP-01190$179.95 -
HKP HK MP5, SP5 Handguard - OD Green
HKP HK Parts
$39.95HKP HK MP5, SP5 Handguard - OD Green New USA MP5 O.D green handguard is also known as the tropical wide forearm. Now you can further customize your MP5/ SP5 with this new color grip and, best of all, it counts as 1 U.S complaint part for the 922r. This...HKP-20593$39.95 -
PTR HK MP5 Flat Receiver w/ Weldment Set
PTR
$294.95MP5 9mm Receiver Flat With Complete Weldment & Rivet Set - PTR/LSC Several years ago PTR bought out LSC and now owns the tooling and dyes for the LSC 9mm flats. These elusive flats have been hard to find and are now available for the first time here...HKP-19509$294.95 -
HKP Semi Auto Trigger Box - Billeted
HKP HK Parts
$69.95HK 90 Series, Century, PTR, & Zenith Trigger Pack - USA This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into the trigger pack, and your...HKP-02384$69.95 -
HK SP89, SP5K, MP5K - Forearm
$49.95HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...HKP-17397$49.95 -
HKP SP5K Spec - Full Auto Bolt Carrier
RCM
$189.95HK SP5K Specification Full Auto Bolt Carrier - US Made Machined completely from billet ordnance grade steel. The HK SP5K carrier is made to the most updated and latest MP5K F specs that will fit the SP5K. Tungsten filled, heat treated, & factory...HKP-17932$189.95 -
Franklin Armory HK MP5-AR Binary Trigger Group
FA Franklin Armory
$849.95Franklin Armory BFSIII HK-C1 - Trigger Group For MP5, SP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with Franklin Armory binary trigger pack and a Magpul MOE grip to make this complete MP5-AR style binary trigger...HKP-20642$849.95 -
HKP 90 Series Hammer For Trigger Pack
HKP HK Parts
$96.95HKP 90 Series Hammer For Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm, 40/10, ...HKP-00377$96.95 -
LSC/PTR Receiver Flat- MP5 9mm
LSC
$239.95MP5 Receiver Flat - PTR/LSC New PTR 9mm Receiver Flat made on the original LSC tooling. This flat is considered by many to be the most sought-after HK flat available on the market and perfect for that HK custom build. This item is not considered an FFL...HKP-01431$239.95 -
HKP MKE AP5 9mm US Made Trigger Pack - 4 U.S. 922 Parts
HKP HK Parts
$269.95Trigger Pack For MP5, 94 Variants Such as Zenith, POF- 4 US 922r Compliant Parts HK MP5/94 9mm Semi Auto Trigger Pack complete. Each Ttigger group incorporates the following US made compliant parts completely assembled & ready to drop in...HKP-17878$269.95 -
Sale
Franklin Armory HK MP5/91/93 Binary Trigger Pack - HK-C1
FA Franklin Armory
Now: $629.99Was: $699.95Franklin Armory BFSIII HK-C1 Binary Trigger Pack For H&K 90 Series The BFSIII™ for HK is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger on the market...HKP-18434Now: $629.99Was: $699.95 -
HKP HK MP5 Navy Binary Trigger Group - Engraved
FA Franklin Armory / HKP
$1,299.95HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK German housing that was professionally engraved and...HKP-21000-M$1,299.95 -
MI HK MP5K, HK SP89 Top Rail - Black
MI Midwest Industries
$129.95MI HK MP5K, HK SP89 Top Rail - Black Midwest Industries picatinny and M-lok top rail for MP5, HK94 style weapons and clones. An amazing profile option for your MP5 style weapon. Offers a combination of strength, adaptability and extreme lightweight...HKP-19113$129.95 -
HKP 9mm Ambidextrous US Made Trigger Pack - 4 U.S. 922r Parts
HKP HK Parts
$309.95HKP 9mm Ambidextrous US Made Trigger Pack - 4 U.S. 922r Parts HK MP5/94 9mm Semi-Auto Trigger Pack Complete. Each Trigger Group incorporates the following US made compliant parts completely assembled & ready to drop-in. Includes: US Made Sear US...HKP-18269$309.95 -
MI HK MP5-A2 Handguard, M-LOK Compatible
MI Midwest Industries
$138.95MI HK MP5-A2 - M-LOK Handguard Features: Professional grade one piece design Simple installation, includes all tools Extremely lightweight design Shortened to allow for use of front sling attachments MI Lifetime Warranty Patent pending Compatible...HKP-19363$138.95 -
Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing
FA Franklin Armory / HKP
$1,449.95 - $1,499.95Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing Our latest and greatest binary trigger group was delivered with a factory HK German housing professionally engraved and painted with a 2-round burst pictograph to...HKP-21114-M$1,449.95 - $1,499.95 -
HKP MP5K/SP89 9mm Handguard - M-LOK
HKP HK Parts
$89.95HKP MP5K/SP89 9mm Handguard - M-LOK The M-LOK tactical handguard installs on your firearm with minimal effort, no fitting required. Designed from the ground up by roller-lock enthusiasts. Features: Made in the USA (922r compliant) Accepts ALL...HKP-17264$89.95 -
Magpul HK SP5K SL Grip Module
Magpul
$219.95 - $239.95Magpul HK SP5K SL Grip Module HK Parts brings a solution for those wanting to upgrade to the Magpul SL grip. This is a perfect option for those wanting improved ergonomics and a modern aesthetic. The pictograms are hand-painted to match the factory...HKP-20945-M$219.95 - $239.95