castings as sold as "shooter grade" you will find ruff seam
lines and air bubbles in some castings
M-29 40mm foam rocket
computer deigned from the ground up to give ultimate performance in 40mm
launchers. its performance in air cannons with 1.5" SCH 40 barrels is staggering.
Simply put , the best round on the market.
M203/m-79 rounds mortar