HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK 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, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
HK UMP, USC Picatinny Rail Set - 4 Piece
HKP HK Parts
Now: $119.96Was: $149.95HK UMP, USC Rail Set Complete A complete set of rails for your HK UMP/USC featuring an extended top rail for mounting your optic of choice. The rails are scratch resistant, class 3 mil-spec hard coat anodized. Each set includes the top rail, all 3 side...Now: $119.96Was: $149.95 -
On Sale
HK91, G3 Flat with Weldment Set
PTR
Now: $150.25Was: $166.95HK91, G3, PTR, CETME Flat & Weldment Combo - PTR Made by PTR91 on original HK tooling using factory specifications and a properly stamped receiver ready to roll and build. No FFL transfer is required as this is an un-folded flat. Compatible...Now: $150.25Was: $166.95 -
On Sale
HK MP5, HK94, MP5K Locking Piece - 100 Degree
RCM
Now: $31.49Was: $34.99RCM MP5, HK94 & MP5K 100 Degree Locking Piece Each 100-degree MP5 locking piece is the proper, correct locking piece for all HK MP5, HK94 and full-size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants,...Now: $31.49Was: $34.99 -
On Sale
RCM Rollers, + & - Sizes
RCM
Now: $8.05Was: $8.95RCM Rollers, + & - Sizes RCM US-made locking rollers are available in both plus and minus sizes, making them the ideal choice for adjusting bolt gaps. These rollers are the top-tier locking rollers on the market, delivering unbeatable performance and...Now: $8.05Was: $8.95 -
MP5, MP5K Replacement Parts Kit
MKE
$24.95MKE Replacement Parts Kit for your HK MP5 and HK MP5K Firearm Keep your MP5 or MP5K in peak condition with this comprehensive MKE HK MP5/MP5K replacement parts kit. Manufactured to exacting standards by MKE, this kit includes high-quality replacement...$24.95 -
On Sale
HK MP5 Handguard - Wide - M-LOK
HKP HK Parts
Now: $34.97Was: $49.95HKP HK MP5 M-LOK Wide Forearm 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,...Now: $34.97Was: $49.95 -
On Sale
Retractable Stock Buffer - MP5 A3 - USA
Now: $6.97Was: $7.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable Stocks The A3 stock buffer is a high-wear and replacement item that needs replacement when torn, cracked, brittle, discolored, and worn. These units are from the same material and durometer as...Now: $6.97Was: $7.74 -
On Sale
HK MP5, MP5K Optic Mount - Low Profile
B&T Brugger & Thomet
Now: $107.95Was: $119.95B&T MP5, MP5K - Low Profile Scope Mount B&T low profile scope mount. Specifications: Color: Black Height max: 30.7 mm Length max: 84 mm Length of top rail: 84 mm Material: Aluminum NATO Accessory Rails: 1 Part number: BT-21222 Treatment:...Now: $107.95Was: $119.95 -
On Sale
HK MP5, SP5, HK94 A3 F Stock - Retractable - 4-Position
H&K Heckler & Koch
Now: $530.96Was: $589.95H&K Heckler & Koch's A3 F 4-Position Retractable Stock designed for HK MP5, HK SP5, and the HK94 9mm submachine gun. This German HK A3 F retractable buttstock is the latest and the greatest! The retractable design allows sliding of the stock to...Now: $530.96Was: $589.95 -
IMI 32 Round Uzi 9mm Magazine - German Military
IMI
$39.95IMI 32 Round Uzi 9mm Magazine - German Military These magazines were military only, not commercial, which makes them desirable magazines. Conditions vary from excellent to like new shape. Any cosmetic imperfections are mostly from handling and...$39.95 -
On Sale
HK 90 Series Pistol Grip Parts Storage Holder
HKP HK Parts
Now: $23.96Was: $29.95HK Pistol Grip Parts Storage Holder - SEF & Ambidextrous Housings A must-have item for storage, it doesn't have a battery compartment to maximize storage. This HK grip plug will fit all SEF or Ambidextrous housings that have the holding tabs in the...Now: $23.96Was: $29.95 -
Out Of StockOn Sale
HK MP5, MP5K Cocking Handle - Extended - Enhanced
HKP HK Parts
Now: $31.96Was: $39.95HKP HK MP5, MP5K Extended Cocking Handle - Enhanced Enhanced extended cocking handle for the MP5 & MP5K style of firearms. Designed to also function with UTG monolithic M-LOK handguards. Made from solid steel billet and coated with a salt bath...Now: $31.96Was: $39.95