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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK416 A1 Upper Receiver - 10.4"
H&K Heckler & Koch
Now: $2,999.95Was: $3,499.95HK416 10.4" Complete Upper Receiver Features: Factory German 10.4" length 2008 date coded P.D. trade-in, de-serialized during the de-milling process. Finish your build with a matching lower from STS Tactical. Compatible With: HK416HKP-22245Now: $2,999.95Was: $3,499.95 -
HK416, MR556 Flash Hider - 3 Prong - Threaded 1/2x28
B&T Brugger & Thomet
$100.00Brugger and Thomet Assault 3 Prong Flash Hider - 1/2x28 3-Prong muzzle device with 1/2x28 threading, designed to reduce muzzle flash and improve shooting performance. Features: High performance open tine hybrid Precision machined, DLC...HKP-22216$100.00 -
Out Of Stock
HK MP5K Recoil Rod Assembly - 9mm
RCM
$54.95RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...HKP-22203$54.95 -
On Sale
Picatinny Riser Mount - Super Slim - 4 Slots - BLEMISHED
Other
Now: $26.21Was: $49.95Super Slim Picatinny Riser Mount - 4 Slots - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The slim Picatinny riser mount is offered in two clamp...HKP-99229-MNow: $26.21Was: $49.95 -
HK MP5K Adapter - Folding Stock
B&T Brugger & Thomet
$160.00B&T HK MP5K Adapter for Folding Stock Upgrade your MP5K platform with precision Swiss engineering. The B&T (Brügger & Thomet) HK MP5K Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for...HKP-22081$160.00 -
HK91, G3 Muzzle Protector Cap
H&K Heckler & Koch
$8.95Heckler and Koch Muzzle Protector Cap for your HK91 and HK G3 Genuine HK muzzle cap designed to keep debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with the cap installed. Standard...HKP-21892$8.95 -
On Sale
HK53 Cocking Tube Style
USA
Now: $79.95Was: $149.95HK53 Cocking Tube Style US made cocking tube perfect for an HK53-style build or for use on a custom build Compatible With: HK53 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99057Now: $79.95Was: $149.95 -
HK23E, HK13 Barrel - 5.56 / .223 - 17.7"
RCM
$699.95RCM HK23E Barrel RCM HK23E light profile barrels are made from mil-spec 41V50 CHF blanks that are fully salt bath nitrided for optimal wear and corrosion resistance. These barrels are the finest out there to complete your HK23E or HK13 build. These are...HKP-21837$699.95 -
HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New
H&K Heckler & Koch
$36.95HK Heckler and Koch Two 20 Round Aluminum Mags with Rubberized Mag Pouch for HK91 Two Like-New HK German 20 round aluminum magazines, accompanied by a premium hand-picked green rubberized mag pouch. This bundle is the perfect choice for anyone looking...HKP-21804$36.95 -
Out Of Stock
B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$90.00B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic brace into a proper stock (NFA rules apply). The kit...HKP-21725$90.00 -
HK MP5 Alpha Folding Stock With Direct Fit Adapter - .22 LR
MI Midwest Industries
$419.95MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style...HKP-21515-M$419.95 -
Out Of Stock
HK MP5K Folding Stock - MBT
B&T Brugger & Thomet
$569.95B&T HK MP5K - MBT Stock B&T MBT folding stock for HK MP5K. Polymer stock and adapter. Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks...HKP-21421$569.95