HK416 / MR566 Small Parts
Our selection includes every essential small part for your HK MR556 or HK416 rifle – pins, springs, detents, gas rings, firing pins, and more.
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On Sale
HK416, MR556 Extractor Spring Buffer
HKP HK Parts
Now: $4.31Was: $5.39HKP HK MR556/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 FirearmsNow: $4.31Was: $5.39 -
On Sale
HK416, MR556 Ejector For Bolt Head
H&K Heckler & Koch
Now: $21.55Was: $23.95H&K HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible With: HK MR556 HK 416Now: $21.55Was: $23.95 -
On Sale
HK416, MR556 Catch- Firing Pin
H&K Heckler & Koch
Now: $17.95Was: $19.95HK MR556/416 Firing Pin Catch Compatible With: HK MR556 HK 416Now: $17.95Was: $19.95 -
On Sale
HK416, MR556 Release Latch - Charging Handle
H&K Heckler & Koch
Now: $35.96Was: $39.95H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...Now: $35.96Was: $39.95 -
Out Of StockOn Sale
HK416, MR556, HK417, MR762 Selector Lever Clamping Sleeve - Ambi
H&K Heckler & Koch
Now: $5.36Was: $5.95H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve German H&K factory clamping sleeve for ambidextrous selector levers on MR556, MR762, HK416, and HK417. Compatible With: HK MR556 A1/A4 HK416 HK MR762 A1/A4 HK417Now: $5.36Was: $5.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.9mm
H&K Heckler & Koch
Now: $29.69Was: $32.99H&K MR556 A4/416 A5 1.9mm Gas Vent Screw German 1.9mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $29.69Was: $32.99 -
On Sale
HK 416 (5.56/.223) German Flash Hider - 1/2x28
H&K Heckler & Koch
Now: $86.36Was: $95.95H&K 416 (5.56/.223) German Flash Hider - 1/2x28 This flash hider is not compatible with suppressors. Compatible With: HK 416 A5- 11" HK 416 A5- 14.5" HK 416 A5 - 16.5" HK 416 A5- 20"Now: $86.36Was: $95.95 -
On Sale
HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style
H&K Heckler & Koch
Now: $39.56Was: $43.95H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin. Will work for A1 and A4 applications. Compatible With: HK MR556 A1 and A4 HK416 HK MR762 A1 and A4 HK417 AR-14, M4, M16Now: $39.56Was: $43.95 -
On Sale
HK MR556, MR762 A4 Safety Lever - Right
H&K Heckler & Koch
Now: $12.55Was: $13.95H&K MR556/MR762 A4 Safety Lever - Right H&K factory right-side selector lever for MR-series ambidextrous safety systems. Compatible With: HK MR762 A1/A4 HK MR556 A1/A4Now: $12.55Was: $13.95 -
Out Of StockOn Sale
HK416, MR556 Firing Pin - Silver
GSG9
Now: $31.46Was: $34.95Firing Pin for HK 416 & MR556 Firearm - USA - GSG9 US made HK 416 & MR556 Made from hardened stainless steel. Compatible With: HK416 HK MR556 HK CR556 HK M27Now: $31.46Was: $34.95 -
On Sale
HK416, MR556, MR762 Dowel Pin
Now: $8.96Was: $9.95H&K HK MR556/MR762/416 Dowel Pin Compatible With: HK MR556 HK 416 HK MR762Now: $8.96Was: $9.95 -
Out Of StockOn Sale
HK416, MR556 Ejector Spring
H&K Heckler & Koch
Now: $35.99Was: $39.99HK 416 & MR556 Ejector Spring Compatible With: MR556 HK 416Now: $35.99Was: $39.99