DoubleStar's 18" 22 Nosler Flattop Upper starts with their 22 Nosler chambered 18" HBAR barrel made from 4140 chrome moly steel utilizing the mid length gas system. This match barrel is attached to their flattop upper with their 15" Cloak M-LOK aluminum free floating handguard. The upper is fully assembled and all parts are completely made in the USA.

Specifcations and Features:
Caliber: 22 Nosler
Twist Rate: 1:8 Right Hand
Barrel Length: 18"
Barrel Type: Heavy Barrel
Barrel Material: 4150 Steel
Barrel Features: Free Floating
Gas System: Mid-Length
Upper Receiver Type: Flattop
Upper Receiver Material: Forged Aircraft 7075 T6 Aluminum
Upper Receiver Features: "T"-Marks, Brass Deflector, Forward Assist, M4 Feedramps
Upper Receiver Coating: Anodized to Mil-Spec
Sight / Gas Block: Low Profile Gas Block
Muzzle Device: A-2 Flash Hider
Handguard: Cloak MLOK Handguard 15.5"
Made in the USA

Fits:

AR-15 lower receivers