Reusable 6mm BB cartridge for compatible Milsig M66 42mm launcher systems, with approx. 60-100 BB capacity depending on BB weight.

Transform your Milsig M66 42mm launcher into an airsoft grenade system with this dedicated 6mm BB cartridge. Designed for wide-area saturation, this cartridge loads dozens of BBs and releases them in a single powerful blast, giving you the edge in breaching, suppression, and close-quarters assaults.

• Milsig M66 42mm Launcher

• Any compatible 42mm launcher that accepts standard shells

• Loads multiple 6mm airsoft BBs (typical capacity: ~60–100 BBs, depending on weight)

• Disperses BBs in a wide cone for area coverage

• Designed for HPA or CO₂-powered launchers

• Reusable and field-serviceable

• Creates a realistic blast effect perfect for MILSIM or breaching scenarios

• Room clearing and breaching simulation

• Area denial or ambush scenarios

• Loud, high-impact visual and auditory effect in MILSIM

• Law enforcement or training simulations