The .30 caliber 701 Air A.I.R. Mag is designed for right-handed FX Impact rifles. Its press-fit ball bearing and constant-tension spring support smooth operation and reliable feeding of pellets or slugs. The carousel adds one round over standard FX stock magazines, while eight magnets secure the clear face plate and four rear magnets provide convenient storage during loading. It is intended for FX Impact M3 or M4 rifles.