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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Out Of Stock
HK416 A5, MR556 A4 Gas Vent Screw - 1.5mm
H&K Heckler & Koch
$29.95H&K MR556 A4/416 A5 1.5mm Gas Vent Screw German 1.5mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5$29.95 -
HK416, MR556 Charging Handle - E2
H&K Heckler & Koch
$139.95Heckler and Koch E2 Charging Handle for HK416, MR556 Factory HK charging handles for the MR556, HK416 platform. The standard MR556 charging handle allows the release latch to be configured on either the right or left side for user preference. The HK E2...$139.95 -
HK416A5, MR556 Barrel - 5.56 / .223 - 11"
H&K Heckler & Koch
$424.95Heckler and Koch 11" Barrel for HK416A5, MR556 A4, MR556 A5 Factory German 11" HK416A5, MR556 barrel. Cold hammer-forged and built to HK’s standard for durability, accuracy, and service life. The 1:7 twist rate stabilizes a wide range of 5.56 NATO...$424.95 -
SBA3 5 Position Adjustable Stabilizing Brace
SB Tactical
$109.95SB Tactical SBA3 5 Position Adjustable Stabilizing Brace The SBA3™ is a minimalist, 5-position adjustable stabilizing brace designed for platforms that accept a mil-spec carbine receiver extension (not included). It features an integral...$109.95 -
On Sale
HK416 Catch - Bolt Hold Open
USA
Now: $14.96Was: $39.95HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.Now: $14.96Was: $39.95 -
HK416, MR556 Axis Rivet
H&K Heckler & Koch
$4.95H&K HK MR556/416 Axis Rivet New HK German HK 416 Rivet. Compatible With: HK MR556 HK 416$4.95 -
Out Of Stock
HK416, MR556A1 Bolt Head - Complete
H&K Heckler & Koch
$0.00H&K HK MR556 A1 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With: HK MR556 A1$0.00 -
Out Of Stock
HK416, MR556Standard Length Quad Rail
H&K Heckler & Koch
$0.00H&K HK MR556/416 Standard Length Quad Rail HK German HK416 & MR556 quad rail complete that includes HK 416/MR556 Handguard Screw. This handguard can also be installed on the CR556 models as well. Compatible With: HK MR556 HK 416 HK CR556$0.00 -
HK416, MR556 DMR KeyMod Extended 15" Handguard
HKP HK Parts
$249.95HKP HK MR556/416 DMR KeyMod Extended 15" Handguard$249.95 -
HK416, HK417, MR556, MR762 Stock Release Lever Pin
H&K Heckler & Koch
$6.95HK 416 & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin. Made in Germany.$6.95 -
On Sale
HK416 A1 Upper Receiver - 10.4"
H&K Heckler & Koch
Now: $2,999.95Was: $3,499.95Heckler and Koch's 10.4" Complete Upper Receiver Kit for your HK416 Features: Factory German 10.4" length (2008) date coded P.D trade-in de-serialized during the de-milling process. Finish your build with a matching lower from STS...Now: $2,999.95Was: $3,499.95 -
HK MR556, MR762 A4 Disconnector
H&K Heckler & Koch
$18.95H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms. Compatible With: HK MR556 A1/A4 HK MR762 A1/A4$18.95