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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HK MR556, MR762 Buttstock Ribbon
H&K Heckler & Koch
$53.95H&K MR556A1, MR762A1 Ribbon for Buttstock Factory HK ribbon used for sling attachment. Can also be used on the E1 Buttstock. Compatible With: HK MR556/416 MR762/417HKP-22002$53.95 -
HK MR762 A4 Handguard - Quick Detach - 14.4"
H&K Heckler & Koch
$739.95Heckler and Koch 14.4" Quick Detach Handguard for HK MR762 A4 Factory HK 14.4" handguard for the MR762 A4. This rail uses the correct HK quick-detach mounting system for fast removal and secure reattachment. Constructed from lightweight, durable aluminum...HKP-21936$739.95 -
HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline
H&K Heckler & Koch
$489.95H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$489.95 -
HK Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20161$49.95 -
HK416, MR556 Muzzle Break - Procomp - 1/2x28
Surefire
$109.95SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both recoil impulse and muzzle rise, allowing the weapon to...HKP-19666$109.95 -
On Sale
HK416, MR556 Quad Rail - 7" - M-LOK
HKP HK Parts
Now: $127.95Was: $199.95HKP 7" M-LOK Quad Rail Compatible With: HK 416 HK MR556HKP-17986Now: $127.95Was: $199.95 -
HK MR556, MR762 Buttstock Release Lever Insert
H&K Heckler & Koch
$26.95H&K HK MR556/MR762 Buttstock Release Lever Insert Compatible With: HK MR556 HK MR762HKP-16620$26.95 -
Out Of Stock
HK416 Gas Block - Vented
H&K Heckler & Koch
$249.95Heckler and Koch German HK416 and HK MR556 14.5" & 16.5" & 20" Gas Block Complete This is the factory-correct gas block with the ambi sling attachment points, as well as the bayonet lug milled into the gas block. Perfect for those who want...HKP-01544$249.95 -
HK CC9 Magazine Spring - 12 Round
H&K Heckler & Koch
$9.95Heckler and Koch 12-Round Magazine Spring for HK CC9 Genuine 12-round HK CC9 steel magazine spring. Compatible With: HK CC9HKP-22509$9.95 -
WOOX Vertical Grip - M-LOK
WOOX
$88.95WOOX HK Rifle, SMG M-LOK Vertical Grip This M-LOK vertical grip is a compact, ambidextrous foregrip made from American walnut with a reversible dual-wall design (vertical wall AND curved wall) to suit different grip styles. The checkered texture is...HKP-22464$88.95 -
Compact Vertical Foregrip With Hand Stop - Picatinny
JMK
$98.95Compact Vertical Foregrip with Hand stop - Picatinny The JMK Vertical Foregrips are ideally suited for applications with restricted space. All grips are precision-machined from black walnut and complemented by a 6061 aircraft-grade aluminum handstop...HKP-22411-M$98.95 -
HK MR556 A4 Hammer - Incomplete - Semi-Auto
H&K Heckler & Koch
$43.95Heckler and Koch Hammer for HK MR556 Semi-Auto rifles Factory-original German steel hammer for MR556 A4 rifles. Designed as a direct replacement for worn or damaged hammers in MR556 A1 and A4 trigger assemblies. Compatible With: MR556A1 MR556...HKP-22384$43.95