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 Rifle Magazine and Receiver Cleaning Brush
H&K Heckler & Koch
$24.95HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag wells. Works with HK and non-HK applications alike.HKP-00141$24.95 -
HK416, MR556 Piston Rod - Complete Assembly
H&K Heckler & Koch
$109.95Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, and HK MR762 A great replacement or spare to keep on hand. Compatible With: HK416, MR556 HK417, MR762 Please Note: Does not fit barrels less than 10 inches.HKP-00042$109.95 -
On Sale
M-LOK Rail Section - 3 Slots
Magpul
Now: $15.95Was: $18.95Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-20495Now: $15.95Was: $18.95 -
On Sale
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3 - USA
HKP HK Parts
Now: $6.95Was: $8.95HK MR556, HK416 & G36, SL8 Gas Piston Ring Replacement Combo Set - 3 Rings This is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require them to be replaced periodically...HKP-17933Now: $6.95Was: $8.95 -
HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible With: HK...HKP-01743$19.95 -
On Sale
Ultra Gun Oil - AntiVenom XPLC - Lubricant and Cleaner
Strike Industries
Now: $12.95Was: $14.95AntiVenom-XPLC Lubricant and Cleaner Strike Industries introduces the industry's most extreme general-purpose weapons lubrication, cleaning, and protection solution. Strike Industries AntiVenom-XPLC is the culmination of years of research and...HKP-18410Now: $12.95Was: $14.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - A5 Style - Gen 2 - RAL8000
H&K Heckler & Koch
$44.95Heckler and Koch A5 Grip V2 - RAL 8000 HK416, MR556, HK417, MR762 G28 A5 Compatible With: HK416, HK416 A5, HK MR556 HK417, HK417 A2, HK MR762 HK M27 HK G28 AR-15, M4, & M16 Platforms Please Note: Color representation is based on Heckler &...HKP-18467$44.95 -
Out Of Stock
HK416, MR556, G36 Gas Piston - Complete
H&K Heckler & Koch
$50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...HKP-00047$50.95 -
HK416, MR556, MR762 Buffer Retainer Pin
H&K Heckler & Koch
$3.95Heckler and Koch HK416, HK MR556, HK MR762 Buffer Retainer Pin Compatible With: HK416, MR556 HK MR762HKP-12704$3.95 -
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3
H&K Heckler & Koch
$19.95HKP Gas Piston Ring Replacement Combo Set- 3 Rings The gas rings are prone to periodic breakage and wear and tear and require them to be replaced periodically. These are some of the most common breakage parts we see that need to be replaced on these...HKP-00048$19.95 -
On Sale
M-LOK Rail Section - 5 Slot
Magpul
Now: $15.95Was: $18.95Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-19568Now: $15.95Was: $18.95 -
On Sale
Silicone Gun and Reel Cloth
Safariland
Now: $2.95Was: $3.95Safariland Silicone Gun & Reel Cloth Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.HKP-17630Now: $2.95Was: $3.95