Labor Day Sale
The HK Parts Labor Day Sale is live. Save up to 20% on select HK firearm parts, magazines, accessories, upgrades, and products from top brands. Get free shipping on qualifying orders of $250 or more. Limited quantities are available.
Free shipping applies to qualifying orders with a subtotal of $250 or more. All orders receiving free shipping will be shipped via USPS Standard. Exclusions may apply.
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On Sale
HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7"
RCM
Now: $980.96Was: $1,089.95HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a...HKP-22533Now: $980.96Was: $1,089.95 -
On Sale
HK MP5, AP5 Trunnion - 9mm
MKE
Now: $58.46Was: $64.95HK MP5 Trunnion Made to exact factory HK specifications for the HK MP5K type builds. Machined to HK spec making the install painless and hassle free. Compatible With: MP5HKP-22523Now: $58.46Was: $64.95 -
On Sale
HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED
Special Weapons
Now: $104.96Was: $319.95HK SL8 to G36 Conversion Kit - Incomplete - BLEMISHED VARYING CONDITION SHOWN - SOLD INVDIVIDUALLY DOES NOT INCLUDE STOCK OR AR-STYLE MAGAZINE ADAPTER. Will REQUIRE ADDITIONAL MACHINING TO THE STOCK:...HKP-99394Now: $104.96Was: $319.95 -
On Sale
HK33, HK53, HK93 SBA5 Pistol Stabilizing Brace and Adapter
SB Tactical
Now: $287.96Was: $319.95SB Tactical HK 93/33/53 SBA5 Pistol Stabilizing Brace with Adapter SB Tactical combined with our HK 93/33/53 end cap creates a true drop-in brace, perfect for those seeking the flexibility that the...HKP-22069-MNow: $287.96Was: $319.95 -
On Sale
HK VP40 Gen 1 Rail Mount Compensator - Blue - Non-Threaded - BLEMISHED
HKP HK Parts
Now: $70.46Was: $189.95HKP HK VP40 Gen 1 Rail Mount Compensator - Blue - Non-Threaded - BLEMISHED DOES NOT INCLUDE ALLEN WRENCH COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE...HKP-99082Now: $70.46Was: $189.95 -
On Sale
Dual Magazine Pouch - 338LM - Velcro Mount
B&T Brugger & Thomet
Now: $9.71Was: $24.95B&T Dual Magazine Pouch - 338LM Designed for the B&T APR338 but will fit other, similarly sized magazines. Made from heavy duty Cordura fabric in Poland by NFM Group.HKP-21883Now: $9.71Was: $24.95 -
On Sale
HK G3 Buttpad - USED
USA
Now: $3.71Was: $14.95HK G3 Buttpad - USED HK G3 buttpad, condition will vary from part-to-part vs. the pictured unit. Compatible With: HK G3HKP-99071Now: $3.71Was: $14.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $14.96Was: $44.95HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm. Each tube ships raw/unfinished and is ready to weld into your build...HKP-99062Now: $14.96Was: $44.95 -
On Sale
HK P30 Conversion Barrel - .40 S&W to 9mm - Threaded 13.5x1
RCM
Now: $193.46Was: $214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1HKP-21786Now: $193.46Was: $214.95 -
On Sale
HK G3K, HK33K Flash Hider - 4 Prong - Open
RCM
Now: $119.82Was: $187.95RCM HK G3K/HK33K Flash Hider - 4 Prong - Open The RCM G3K and HK33K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in...HKP-21599Now: $119.82Was: $187.95 -
On Sale
HK91, G3 Blast Can - Threaded 5/8x24
MI Midwest Industries
Now: $24.83Was: $38.95MI Blast Can 5/8x24 Thread Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does nHKP-21536Now: $24.83Was: $38.95 -
On Sale
Vector Arms V51 Fixed Stock
HKP HK Parts
$178.46 - $178.47H&K / HKP V51 Fixed Stock HK Parts A2 style stocks for the Vector V51 platform. We start with a like-new backplate and convert it into a V51 collapsible style and pair it with a like-new, hand-picked...HKP-21270-M$178.46 - $178.47