The KGM R556A2 is a SOCOM-spec suppressor built for 5.56 and 6mm cartridges with a quick-detach 1/2″x28 thread. Constructed from Inconel and stainless steel with a durable Cerakote finish, the unit is optimized for minimal backpressure and consistent
The KGM R556A2 is a purpose-built rifle suppressor designed to meet SOCOM specifications for full-auto durability, repeatability, and sound suppression on 5.56 and compatible 6mm cartridges. The design emphasizes minimized backpressure and redirected gas flow to limit disruption to the rifle’s operating system. It is engineered to perform across a wide range of barrel lengths, including short-barrel applications.
Product Specifications
The manufacturer is Kgm Technologies.
The model is R556A2.
The manufacturer part number is RS-R556A2-QD-BLK.
The caliber compatibility is listed as 6mm/5.56 NATO.
The thread pattern is 1/2″x28 with a quick-detach configuration.
The overall length is 6.4 inches.
The finish is Cerakote in a black color.
The visible color is Black.
The primary material is listed as Inconel with stainless steel components noted in construction.
The unit uses laser-welded construction combining nickel-alloy and stainless-steel components for extended service life.
This model incorporates a bore EDM cut to accommodate 6mm cartridges such as 6mm ARC.
The design is optimized for minimized backpressure to preserve rifle function and cyclic consistency.
The suppressor is intended to reduce flash and perceived recoil while maintaining precision through redirected gas flow.
The product category/subcategory is Silencers & Suppressed Firearms / Suppressors.
The UPC is 810042350113.
Suitable for short-barrel rifle applications and precision/range use, the R556A2 combines SOCOM-oriented durability with design choices that prioritize consistent accuracy and minimal impact on the firearm’s operating system. Its quick-detach interface and compact profile make it appropriate for shooters who need a robust, repeatable suppressor for training and competitive or precision work.
Disclaimer: Our e-commerce site uses stock images for item photography. In most cases, these are completely accurate however there are some cases where the image may not wholly reflect the item being purchased. It is your responsibility to verify the UPC of the item you are purchasing from us with the manufacturer to confirm you are placing an order for the correct item.
