HK416 / MR556 Series
Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.
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WOOX Angled Grip - M-LOK - AFG
WOOX
$88.95WOOX M-LOK Angled Grip Compact angled foregrip for M-LOK handguards, built with a reversible dual-wall structure and checkered texture for a secure, consistent support-hand index. Features: Flat-bottom design for added stability and...HKP-22465$88.95 -
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
$58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...HKP-22434$58.95 -
HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
JMAC Customs
$116.951/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223 The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and...HKP-22408$116.95 -
HK416, MR556 Handguard - 12.5" - M-LOK - FDE
H&K Heckler & Koch
$429.95H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard Manufactured by HK from aircraft grade aluminum with a hard coat anodized finish, this M-LOK handguard is designed for the Heckler & Koch MR556 & HK 416 rifles chambered in 5.56x45mm and ...HKP-99323$429.95 -
HK416, MR556 Handguard - 12.5" - M-LOK
H&K Heckler & Koch
$189.95H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard Manufactured by HK from aircraft grade aluminum, this M-LOK handguard is designed for the Heckler & Koch MR556 & HK 416 rifles. This handguard showcases a 12.5" length and includes a...HKP-99321$189.95 -
On Sale
HK416, MR556 9" Modular Rail System - Black - BLEMISHED
H&K Heckler & Koch
Now: $286.95Was: $399.95H&K HK MR556/416 9" Modular Rail System - Black - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German...HKP-17341-BNow: $286.95Was: $399.95 -
HK MR556 A4 Gas Block- Incomplete
H&K Heckler & Koch
$187.00H&K HK MR556 A4 Gas Block - Incomplete The H&K HK MR556 A4 Gas Block is a high-quality, precision-machined component designed for the MR556 A4 rifle. It houses the gas system that directs gas from the barrel to cycle the action. Compatible...HKP-22087$187.00 -
HK 416 - 9" Full Duty Handguard
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok Full Duty The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI patent...HKP-21312$318.95 -
Out Of Stock
HK416 Collapsible Stock Mil Spec - RAL7008
H&K Heckler & Koch
$0.00Collapsible HK 416 E1 Style Mil Spec - HK 416 RAL 7008 - Dark Earth Color Genuine Heckler & Koch HK416 surplus buttstocks in the RAL 7008 color scheme. HK-USA nows offers these surplus E1 Mil-Spec stocks which can be hard to find and are perfect for...HKP-19503$0.00 -
Out Of Stock
HK 30 Round AR-15 5.56x45mm/.223 Magazine
H&K Heckler & Koch
$0.0030 Round Magazine with Window - Gen 3 - Heckler and Koch Factory German Heckler & Koch 30-round Gen3 polymer magazines, compatible with 5.56mm weapon systems: HK416 / MR223 / AR15 / M16 / M4 type rifles.HKP-19359$0.00 -
Out Of Stock
HK416, MR556 Upper Conversion Kit - Threaded 1/2x28, - 5.56x45 / .223
HKP HK Parts
$699.95H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 14.5" upper for an HK416 or MR556. This conversion kit adds an upper or a barrel option for your MR556, CR556...HKP-17877$699.95 -
Out Of Stock
HK417, MR556, MR762 Trigger Guard - A5 Style - RAL8000
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95