Top 10 rockets that can use the Estes F15 right now:

Aero-Roc (BMR) 2.25" x 35"
Banshee (BMR) 2.25" x 42"
Interroc (BMR) 2.25" x 44"
Weghtlofter (AMR) 2.25" x 35"
Two The Limit (AMR) 2.25" x 65"
Miniroc 1.2 (SS)(BMR3) 1.22" x 21"
Fire & Forget (SS) 1.22" x 27.5"
Star (SS) 2.25" x 40.5"
Mosquito 2.2 (SS) 2.25" x 17.5"
Micro-Interroc (18mmMM) 1.22" x 21"
Screamer (BMR2) 2.22" x 22"

Sonic Series - Sonic 160 (BMR2) 1.22" x 34"
El Lubbo (AMR)(BMR2) 4" x 46" (not in stock)
Tomahawk 1.2 (BMR3) 1.22" x 21"
Arcon 1.2 (BMR3) 1.22" x 21"
Sniper (BMR3) 1.22" x 25"
Pillar of Fire 29mm (CC) 4" x 89" (not in stock) 7x29mm