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 MP5 Dual Folding Stabilizer with Adapter - .22LR
HKP HK Parts / Strike Industries
$249.95 - $269.95Strike Industries HK MP5 .22LR Dual Folding Stabilizer with Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding...HKP-21770-M$249.95 - $269.95 -
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 -
On Sale
HK MP5K Pistol Stabilizing Brace - SBA5
SB Tactical
Now: $189.95Was: $248.95SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing brace offers. With a 5-position adjustable length, this...HKP-21795-MNow: $189.95Was: $248.95 -
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 -
HK MP5 Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 14x.75 Enhance your MP5 with the RCM HK MP5 10mm Barrel, featuring precise 14x.75 threading. Expertly crafted for German MP5 models, this barrel ensures superior durability and performance. Ideal for both custom builds...HKP-21156$279.95 -
HK MP5KSD Barrel Shroud and Handguard Combo
HKP HK Parts
$289.95HK Parts HK MP5KSD Shroud and Handguard Combo The perfect items for those that are looking into doing a custom MP5K SD build. The finest MP5K SD shroud ever made or available. This will be the best combo set for a top notch fit and conversion finish...HKP-20950$289.95 -
HK G36C Piston Rod - Incomplete
H&K Heckler & Koch
$49.95Heckler and Koch Incomplete Black Gas Piston Rod for HK G36C A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part. Compatible with: G36CHKP-17009$49.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set
HKP HK Parts
$2,389.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with all 6 of the needed US made compliance parts to be...HKP-20524$2,389.95 -
HK416, HK417, MR556, MR762 Long Disconnector Spring
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Long Disconnector Spring HK German manufactured disconnector spring. This is the longer of the 2 springs found in the trigger/sear assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16774$9.95