Reetou weapon
From The Stargate Omnipedia
Standard Reetou sidearm, used by both normal Reetou and the terrorist faction. The unusual device releases a blue energy beam more powerful than the plasma burst of a staff weapon, capable of inflicting considerable damage.
KEY EPISODE
Show and Tell - Charlie's Reetou "Mother" uses one of the weapons to destroy a computer monitor and prove her presence. Later, five Reetou rebel terrorists infiltrate the S.G.C. with their weapons and cause massive damage