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
HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED
H&K Heckler & Koch
Now: $545.95Was: $945.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KIT IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Convert any HK91 or HK...HKP-01147-BNow: $545.95Was: $945.95 -
HK MR556 A4 Upper, Complete - Full Auto and Ejection Door
H&K Heckler & Koch
$845.95HK Heckler and Koch A4 Complete Upper with Full Auto Ejection Door for HK MR556 The HK MR556 A4 Complete Upper is a superior factory assembly that comes fully equipped with a forward assist and an ejection port door, providing unparalleled reliability...HKP-21929$845.95 -
On Sale
B&T APR308 Deployment Bag - With Sling
B&T Brugger & Thomet
Now: $199.95Was: $349.95B&T APR308 Deployment Bag - With Sling Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle safe and secure. The cases were made in Poland by NFM Group...HKP-21881Now: $199.95Was: $349.95 -
HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer
H&K Heckler & Koch
$59.95H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E buffers in the U.S are first-generation, which use...HKP-21856$59.95 -
HK G3 Front Sight Ring
H&K Heckler & Koch
$7.95H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3HKP-21641$7.95 -
Out Of Stock
HK MR762 Factory Flash Hider - 15x1 RH
H&K Heckler & Koch
$54.95H&K HK MR762 Factory Flash Hider - 15x1 RH Factory flash hider with 15x1 right-hand threads. Perfect for completing a build or replacing a worn or missing part. Compatible With: HK MR762HKP-21481$54.95 -
On Sale
Bolt Knob - Acorn
Tactical Precision MFG
Now: $19.95Was: $37.99TPM Acorn Bolt Knob These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20902Now: $19.95Was: $37.99 -
On Sale
Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
Tactical Precision MFG
Now: $38.95Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...HKP-20772Now: $38.95Was: $76.99 -
Out Of Stock
HK416, MR556 Assembly Wrench Tool
H&K Heckler & Koch
$699.95H&K HK 416 & HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown.HKP-20616$699.95 -
HK33 Cocking Tube - 11" - Left Hand
HKP HK Parts
$99.95HKP HK33 11" Left Hand Cocking Tube This is the one and only left handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".HKP-18892$99.95 -
Out Of Stock
$8.95 -
$39.95