These rifles have a working last round magazine hold open, forward assist, ejection port cover, and bolt catch. They have a permanently attached Guncraft moderator. The outer sleeve is removable for cleaning and maintenance purposes. 

Medium Weight Profile, 1:16 Twist barrel

Calibre .22 LR
7075-T6 Aluminium Upper and Lower Receivers
A4 Mil-Spec Upper Receiver
Integral M1913 Picatinny Rail
12" M-Lok Free Float Handguard
6 Position Collapsible MOE Magpul Stock

MOE Magpul Pistol Grip

Ambidextrous Safety

Ambidextrous Charging Handle

Ambidextrous Magazine Release

QD End Plate