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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HKP Ambi Housing Franklin Armory Binary Selector Set - RAL8000
HKP HK Parts
$79.95HHKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL8K Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...HKP-21380$79.95 -
Sale
HKP HK SP5 Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED
FA Franklin Armory / HKP
Now: $999.95Was: $1,499.95HKP HK SP5 Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED PLEASE NOTE: SOLD AS-IS DUE TO THE PICTOGRAM PAINT BEING BLEMISHED - SEE PHOTOS. 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and...HKP-21293-BNow: $999.95Was: $1,499.95 -
Magpul / HKP HK MP5 SSTG
Magpul
$639.95SSTG Magpul trigger group The Single Stage Trigger Group is a blend between the past and future. The trigger pack begins life as a factory German trigger pack before being professionally converted into a semi-auto trigger pack. After the conversion, each...HKP-21261-M$639.95 -
Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK Binary Trigger Group for the MP5 40, MP5 10mm firearms Binary triggers count as 4 922r compliant components. The components that count towards...HKP-19663$879.95 -
HKP HK MP5K Binary Pistol Build Complete Limited Edition Kit
HKP HK Parts
$3,799.95Limited Edition Parts Kit - MP5K With Binary Trigger Group Our limited edition parts kit will include the highly desirable Binary 3 position Navy trigger group with a universal style housing that will accommodate for a SP5K style semi auto shelf and a...HKP-20025$3,799.95 -
HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger
$2,449.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a...HKP-20523$2,449.95 -
Magpul HK MP5 AR Match Trigger Group
Magpul
$649.95Magpul AR Match Trigger Group for HK MP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a drop-in...HKP-20666$649.95 -
Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing
FA Franklin Armory
$1,899.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing 3 Position – pictogram – HK binary trigger group Binary triggers count as 4 922r compliant components. The components that count towards 922r...HKP-19182-M$1,899.95 -
Out Of Stock
HK MP5K/SP5K/SP89 Vented Horizontal Forearm with Handstop - Black
USA
$44.95MP5K, SP5K, SP89 - Vented Horizontal Forearm with Handstop 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-19471$44.95 -
Sale
HKP HK MP5 Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED
FA Franklin Armory / HKP
Now: $849.95Was: $1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K HK MP5 Navy PLEASE NOTE: SOLD AS-IS DUE TO THE PICTOGRAM PAINT BEING BLEMISHED - SEE PHOTOS. 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and...HKP-21291-BNow: $849.95Was: $1,499.95 -
Magpul HK MP5K AR 9mm Navy Style Match Trigger Group
Magpul
$649.95Magpul HK MP5K AR 9mm Navy Style Match Trigger Group Our improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5K-AR style match trigger group. This trigger group is a...HKP-21378$649.95 -
HK MP5/94 US Made Trigger Group 5 US Made Compliant Parts w/ Flat Trigger
USA
$489.95HK MP5/94 US Made Trigger Group 5 US Made Compliant Parts w/ Flat Trigger HK MP5/94 9mm Semi Auto Trigger Group Complete. Each Trigger Group incorporates the following 922r-compliant parts: US made sear US made hammer US made flat trigger US made...HKP-19938$489.95 -
HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger
$2,849.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as...HKP-20524$2,849.95 -
Out Of Stock
Franklin Armory / HKP FA HK MP5 Trigger Group – 2 Round Engraved Binary Housing - RAL 8K
FA Franklin Armory / HKP
$1,499.95COMING SOON! Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K 3 Position 2 round burst style Engraved Pictograph – HK Binary Trigger Group Our latest and greatest Binary trigger group freshly delivered with a factory HK German housing...HKP-21160$1,499.95 -
H&K MP5K 9mm Semi Auto SF style Trigger Group Complete
USA
$449.95H&K MP5K 9mm Semi Auto SF style Trigger Group Complete Each unit is composed of German HK & the finest US made HK Parts. This lower is ready to drop on your semi auto HK firearm. Comes complete with the US made parts already installed, 3rd gen...HKP-19936$449.95 -
Out Of Stock
HKP HK MP5 Navy Binary Trigger Group - Engraved - RAL 8K
FA Franklin Armory / HKP
$1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K Coming Soon! 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...HKP-21290-M$1,499.95