Heat treated magazine body for long-term feeding reliability. Coil spring provides more consistent follower angle than typical z-spring. 10-round capacity.....See Details for more info.

Slimmer, lighter and easier to handle than the competition’s rotary rimfire magazine, the ten-round Double Helix uses a torsion drive spring and interlocking gear design to maintain correct timing and exact cartridge alignment for smooth, reliable feeding. The translucent gray body allows for easy v....See Details for more info.

Description: Slimmer, lighter and easier to handle than the competition's rotary rimfire magazine, the ten-round Double Helix uses a torsion drive spring and interlocking gear design to maintain correct timing and exact cartridge alignment for smooth, reliable feeding. The translucent gray body allo....See Details for more info.

Extra magazines for Pro-40 pistol Caliber: 40 S&W Magazine Capacity: 10....See Details for more info.

An all new detachable rotary magazine is incorporated into the X-Bolt. Constructed from a durable lightweight polymer, the magazine is designed to feed cartridges directly in-line with the bolt, instead of offset as with traditional leaf-spring magazines, for a straight shot right into the chamber. ....See Details for more info.

An all new detachable rotary magazine is incorporated into the X-Bolt. Constructed from a durable lightweight polymer, the magazine is designed to feed cartridges directly in-line with the bolt, instead of offset as with traditional leaf-spring magazines, for a straight shot right into the chamber. ....See Details for more info.

An all new detachable rotary magazine is incorporated into the X-Bolt. Constructed from a durable lightweight polymer, the magazine is designed to feed cartridges directly in-line with the bolt, instead of offset as with traditional leaf-spring magazines, for a straight shot right into the chamber. ....See Details for more info.