Lootz of note

All costs are based on a "legitimate market"; in the case of weapons, armor, or other things used for fighting, this may be limited depending on where you are. In general, conventional arms are more "legal" than other types. Black Market costs are typically twice whatever is listed.
For haggling, it is a competitive trading roll for legitimate markets, streetwise for black market. For every point you win by, you get a 1% discount to a max of 10% for legitimate goods, and 5% per point for black market, to a max of 50%.

Weapon Costs: base cost is for conventional or ramjet or laser. add +25% for plasma or railgun.
Light Pistol: 100 (clip: 15)
Medium Pistol: 200 (clip: 15)
Heavy Pistol: 500 (clip: 15)
SMG: 700 (clip: 30)
Rifle: 500 (clip: 10)
Light Assault Rifle: 700 (clip: 30)
Heavy Assault Rifle: 900 (clip: 30)
Sniping Rifle: 1000 (clip: 10)
Shotgun: 500
Auto-Shotgun: 1000

Ammo: AP rounds halve armor but halve the damage that gets through (after armor AND BTM). Hollowpoints add +25% damage but double armor effects (but not BTM).
Conventional: A box of 100 rounds costs 10% of the weapon cost for conventional arms (base cost, not affected by weapon quality).
Ramjet: ramjet rounds come in a lot of variants. basic ramjet rounds cost 10% of weapon cost. Exploding ramjet rounds add 1D6 to damage and cost 50% of weapon cost for a box of 100. Shaped charge Ramjet rounds add 1D6 damage and add +1 AP to the WEAPON (much better than AP ammo). both type