MP5 / SP5 Series
Discover the ultimate selection of MP5 and SP5 parts and accessories for your H&K firearms. Whether you're upgrading, building, or maintaining your MP5/SP5, we offer premium H&K components like handguards, barrels, magazines, and bolt carrier groups. Shop HK Parts for unmatched reliability and performance for all your MP5/SP5 needs.
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On Sale
Century Arms AP51 Retractable Stock - A3
MKE
Now: $404.95Was: $449.95MKE Century Arms AP51 A3 Retractable Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it a true drop in stock. Only offered here at HK Parts...Now: $404.95Was: $449.95 -
On Sale
HK MP5, HK94, SP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED
HKP HK Parts
Now: $7.46Was: $33.95HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED GUNSMITH SPECIAL. THESE UNITS WILL NEED RE-WORK BEFORE USE. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will...Now: $7.46Was: $33.95 -
HK MP5 , HK94 Factory A3 Stock - Used
H&K Heckler & Koch
$739.95H&K MP5 & HK94 Factory A3 Stock - Used The original Navy-style German HK MP5 A3 stock is a rare find as it's no longer in production and has been replaced by the MP5 F-style stock. We are offering the sought-after second-generation MP5 A3...$739.95 -
On Sale
Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$274.45 - $278.95JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...$274.45 - $278.95 -
On Sale
HK MG5 Unigrip QD with Bipod
B&T Brugger & Thomet
Now: $215.95Was: $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...Now: $215.95Was: $239.95 -
On Sale
Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf
Lee Sporting / Magpul
Now: $494.96Was: $549.95Lee Sporting Complete Trigger Group - MP5 - Flat Trigger Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger...Now: $494.96Was: $549.95 -
Out Of StockOn Sale
Folding Stock - SS-8 with 1913 Folding Mech
JMAC Customs
Now: $256.49Was: $284.99JMAC Customs SS-8 Folding Stock w/1913 Folding Mech Skeleton stock 8" with 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG...Now: $256.49Was: $284.99 -
Out Of StockOn Sale
HK MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned
H&K Heckler & Koch
Now: $224.95Was: $249.95H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned Introducing the universal 3 position burst pictogram housing for HK MP5, SP5, and .40/10 firearms. This new factory...Now: $224.95Was: $249.95 -
On Sale
HK MP5, HK94 Cocking Tube Support - Steel
H&K Heckler & Koch
Now: $76.45Was: $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...Now: $76.45Was: $84.95 -
On Sale
PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
Now: $79.16Was: $87.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...Now: $79.16Was: $87.95 -
On Sale
HK MP5, MP5K, SP89, HK94 Trigger Pack - SEF Semi - 9mm - Enhanced 5 to 6 lb Trigger Pull
HKP HK Parts
Now: $351.96Was: $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...Now: $351.96Was: $439.95 -
On Sale
HK 90 Series Night Sight System - Front and Rear
XS Sights
Now: $138.59Was: $153.99XS 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.Now: $138.59Was: $153.99