Blueguns Glock 21SF Training Guns Weighted No Light/Laser Attachment Handgun Blue. The blue color of this from Blue Guns allows it to be easily seen in the dark and allows for easy identification. The Blue Guns 21SF Police Training Gun is constructed of durable high-impact Polyurethane with steel reinforcement making it strong and impact resistant. This inert training gun is ideal for police training as it does not hold a grudge against the shooter's fingers and does not leave marks or scuffs. For a safer and more detailed alternative to using live fire in training exercises choose the Blue Guns 21SF Firearm Simulator. Specifications for Blueguns Glock 21SF Training Guns: Manufacturer: Blueguns Color: Blue Gun Make: Glock Gun Model: Glock 21SF Gun Type: Handgun Light/Laser Attachment: No Package Contents: Blueguns Glock 21SF Training Guns What firearm models does the manufacturer say Blueguns Glock 21SF Training Guns is compatible with? The manufacturer says that Blueguns Glock 21SF Training Guns is compatible with Glock 21SF