MTM Ammo Box 50 Round Flip-Top 243 308 Win 220 Swift Clear Blue. 243 .308 Winchester and .220 Swift? This durable box won't warp crack chip peel expand or contract. This ammo case manufactured by the experts at MTM is made of virtually indestructible polypropylene and its snap-lock latch protects contents from accidental spilling. The MTM Case-Gard RM-50 Rifle Ammunition Case features a textured finish that makes it easier to grip and harder to scratch. Store your ammo and take along the MTM Case-Gard RM-50 Rifle Ammo Box w/ Snap-Lock Latch when you go shooting. Specifications for MTM Case-Gard RM-50 Rifle Ammo Box .243 .308 Winchester and .220 Swift: Manufacturer: MTM Color: Clear Blue Condition: New Features of MTM Case-Gard RM-50 Rifle Ammo Box .243 .308 Winchester and .220 Swift: Holds up to 50 Rounds Made From Clear Blue Polyproylene Snap-Lok Lid for Extra Strength Package Contents: MTM Case-Gard RM-50 Rifle Ammo Box MTM RM-50-24: Ammo Box 50 Round Flip-Top 243 308 Win 220 Swift Clear Blue