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
HK Incomplete Ambidextrous Selector Axle - Gunsmith Special
HKP HK Parts
Now: $6.95Was: $14.95HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special U.S.-made selector lever. Incomplete part for ambidextrous setups. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...HKP-99135Now: $6.95Was: $14.95 -
HK416, MR556 Buffer Tube
H&K Heckler & Koch
$176.95H&K HK416, MR556 Complete Receiver Extension/Buffer Tube Genuine German complete receiver extension for the HK416 5.56/.223 platforms. Compatible With: HK416 MR556 ***Packaging may say "G26". This was a typo by HK.HKP-21872$176.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $19.95Was: $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. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...HKP-99062Now: $19.95Was: $44.95 -
HK416, MR556 Facemount KeyMount (KeyMicro) - 360HD 1/2-28 FD
JMAC Customs
$124.95JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro) The JMac Customs 360HD is a high-performance muzzle device designed for superior durability, recoil mitigation, and compatibility with suppressors. Engineered with 360° ports for optimal...HKP-21825$124.95 -
HK91, G3, MP7, G36 Side Rail - Short
B&T Brugger & Thomet
$42.00B&T HK G3/HK91, G36, MP7 Side Rail - Short Swiss made B&T short side rail for the B&T quad rail handguard. Compatible With B&T Handguards For: HK91/G3 G36 MP7HKP-21775$42.00 -
Out Of Stock
HK MP5/SP5/G36 Helmet Stock Cheek Support
B&T Brugger & Thomet
$168.00B&T HK MP5/SP5/G36 Helmet Stock Cheek Support B&T cheek support for B&T helmet stocks. Compatible With: HK MP5/MP5K HK SP5/SP5K HK G36HKP-21684$168.00 -
Out Of Stock
HK MP5K Receiver Flat - Smooth Top
HKP HK Parts
$129.95HKP HK MP5K Receiver Flat - Smooth Top The MP5K receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...HKP-21550$129.95 -
HK MP5 Parts Kit - Tactical Package
HKP HK Parts / Heckler & Koch
$2,199.95HKP MP5 Parts Kit Tactical package Vintage flavor with modern flare. Our team set out to strike a symbiotic balance of classic MP5 with modern accessories delivered at an affordable price. The result is a build kit comprised of vetted components...HKP-21495$2,199.95 -
Picatinny - Dual Folding Adapter - Stock
Strike Industries
$199.95Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...HKP-21306$199.95 -
HK UMP Extended Top Rail - Red
HKP HK Parts
$59.95HKP HK UMP Extended Top Rail - Red Nearly an 1" longer than the standard length top rail. This picatinny top rail allows the user to add an eotech, aimpoint, acog, etc. Made in the USA from aluminum material and hard coat anodize in a beutiful Red...HKP-21049$59.95 -
On Sale
Bolt Knob - Drake - Titanium
Tactical Precision MFG
Now: $24.95Was: $44.99Drake Bolt Knob - Aluminum These bolt knobs are made from aluminum and are finished a in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: titanium Threading: 5/16-24 Compatible...HKP-20782Now: $24.95Was: $44.99 -
On Sale
Bolt Knob - Fluted - Titanium
Tactical Precision MFG
Now: $24.95Was: $48.99TPM - Fluted Bolt Knob - Titanium These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Features: Dimensions: 1.5" x 7/8" x 7/8" Weight: 2 oz. Material: titanium Threads: 5/16x24HKP-20769Now: $24.95Was: $48.99