The Primary Weapons Systems MK116 Mod 2-M is a complete AR-style upper configured for 7.62 x 39mm with a 16.1 inch barrel. It employs PWS’s long-stroke piston operating system and a free-float handguard that incorporates patent-pending PicLok technology alongside M-LOK compatibility. The assembly uses a forged upper receiver, omits a forward assist, and includes a flared mag well and integrated trigger guard for streamlined ergonomics; it ships with a Radian Raptor charging handle.
Key Specifications
- The caliber is 7.62 x 39mm.
- The barrel length is 16.1 inches.
- The operating system is a long-stroke piston.
- The handguard features PicLok technology and is M-LOK compatible.
- The receiver is forged and finished in Anodized black.
- This component fits AR Rifles.
- The assembly includes a Radian Raptor charging handle.
- The model designation is MK116 Mod 2-M.
- The listed rate of twist is 1-10.
Built around PWS’s piston platform and modern accessory mounting, the MK116 Mod 2-M offers a practical, durable upper for informed shooters who value modularity and mechanical reliability. Its combination of forged construction, PicLok/M-LOK handguard versatility, and a matched charging handle provides a solid foundation for a range of AR-platform applications.
