I knew the mosquito was a 13mm rocket, but someone above said to try putting a C6 or D12 in it, I'm pretty sure those won't fit in it.

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Active rockets:
Extreme Darkstar(HPR)
BSD 4" Little John(HPR)
Ultimate Darkstar (HPR)
5.5 polecat NIKE smoke (HPR)
Retired:
Estes Mosquito (Mini Brute)
under construction:
L1 5.5" Standard ARM
RIP Erik Gates. Your talents will never be forgotten.