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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HK91, G3, PTR Magazine - 20 Round - Date Coded - Like New
H&K Heckler & Koch
$34.95Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - Like New Factory German HK 20 round magazine for HK91, G3, and PTR91 pattern rifles. Offered in IB or IC date codes for those seeking original German date coded magazines in like new...HKP-22560-M$34.95 -
HK G36 Picatinny Adapter - Gen 2
HKP HK Parts
$139.95HKP HK G36 Picatinny Adapter - Gen 2 Elevate your G36 with the Gen 2 Picatinny adapter, designed to effortlessly attach any 1913-style stock or brace. Our refined design guarantees a secure attachment for stocks and braces and delivers an adjustable...HKP-21866$139.95 -
HK MP5 Brace With Direct Fit Adapter
HKP HK Parts / SB Tactical
$299.95HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Made...HKP-20214$299.95 -
HK G3 Parts Kit
H&K Heckler & Koch
$397.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$397.95 -
On Sale
HK MP5, HK90 Series Trigger Spring - SEF, Navy
MKE
Now: $2.45Was: $8.95MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...HKP-22225Now: $2.45Was: $8.95 -
Surefire ST Mounting Plate - Tape Switch - M-LOK
Magpul
$14.95Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer as other Magpul products, combining light weight with...HKP-21480$14.95 -
HK MP5K 2-Stage Trigger Group - 9mm - Complete
Timney Triggers
$498.95Timney Trigger for MP5K, SP5K The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing. Available exclusively...HKP-20515-M$498.95 -
Out Of Stock
B&T APC Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$94.95B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter Swiss made B&T brace adapter for the APC9/APC45/APC223/ACP300 telescopic stock. Adapter replaces the buttpad on the BT-20394 and BT-20407 APC telescopic stocks and allows the attachment...HKP-19860$94.95 -
AR M-LOK Handstop Laser - Green
Viridian
$178.95Viridian AR M-LOK Hand Stop Laser - Green Viridian, the leader in weapon-mounted technology, is responsible for a number of firearm innovations - including green and red laser sights. Viridian's new HS1 is the world's first AR hand stop with an...HKP-19464$178.95 -
Out Of Stock
M-LOK Rail Section - 7 Slot - KeyMod - Red
Strike Industries
$25.95Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...HKP-19188$25.95 -
HK G36K, G36C Rail - Side
HKP HK Parts
$24.95HK Aftermarket G36K/G36C Side Rail For Handguard This will fit the sides (left or right) of the forearm on the G36K and G36C forearms. Comes with all mounting hardware. Each rail is sold individually.HKP-00273$24.95 -
HK416, MR556, G36, SL8 Gas Piston
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...HKP-14540$79.95