Olympic Blue 37mm Limited edition Casing 3.5" w/ Milled Bushing piney These 37MM Signaling Rounds produce

These 37MM Signaling Rounds produce a shower of Blue stars with bees flying around

This is an aerial projectile that emits a shower of stars when detonated

Recommended to be used with #3 or #4 ramset 22 blank

Comes with a rail adapter for easy mounting on any rail

Olympic Blue 37mm Limited edition Casing 3.5" w/ Milled Bushing piney These 37MM Signaling Rounds produceNew unfired limited edition Olympic Blue anodized 37mm aluminum hull. For use with black powder loads and black powder substitute. Do not use smokeless powder in the 37mm aluminum casing. Uses a #209 shotgun primer. These are 3. 5" long with a milled in powder bushing. Price is per individual casing. Very Limited Quantity Weight: 0. 19 lb