1. M4A1 - classic army, crane stock, 385fps (very consistent) with 0.2g BB, $230. Comes with two hi cap mags, madbull tightbore python barrel, madbull type hopup assembly and mosfet. Front battery loading. No battery.
2. M4 RIS - classic army, padded folding stock, 250-280fps with 0.2g BB, $120. Comes with two hi cap mags, with madbull tightbore python barrel and std Mosfet. FPS variation probably just need a new hopup for good air seal. Just don't have the time to fix. No battery.
3. MP5 - No brand, 200fps with 0.2g BB, $30. Good for props. Shoots reliably though. Come with one hicap mag, no battery included.
Get all for $300.
AEGMOSFET for #1 and #2HOPUP for#1