Ny way to compare different types of weapons

I found a tower weapon unlock list here:

Radio Towers reward you with free weapons and items and they also unlock nearby Supply Drop missions. You’re rewarded with free weapons based on the amount of Radio Towers you’ve unlocked, not by the specific Radio Tower itself. This means that if you want a specific weapon, you can just go for the quickest/easiest route to get there, without having to do a specific tower the other side of the map. The below weapons have been placed into categories along with how many Radio Towers you need to get them for free.

Handguns

• 1911

• 6P9

• .44 Magnum – Requires 11 Radio Tower unlocks.

• D50 – Requires 12 Radio Tower unlocks.

SMGs

• Skorpion – Requires 2 Radio Tower unlocks.

• A2000 – Requires 5 Radio Tower unlocks.

• MP5 – Requires 9 Radio Tower unlocks.

• BZ19 – Requires 14 Radio Tower unlocks.

• Vector .45 ACP – Requires 12 Radio Tower unlocks.

Shotguns

• M133 – Requires 5 Radio Tower unlocks.

• 1887 – Requires 4 Radio Tower unlocks.

• SPAS-12 – Requires 13 Radio Tower unlocks.

Assault Rifles

• AK47 – Requires 2 Radio Tower unlocks.

• STG-90

• F1 – Requires 8 Radio Tower unlocks.

• MS16 – Requires 10 Radio Tower unlocks.

• P416 – Requires 15 Radio Tower unlocks.

• ACE – Requires 13 Radio Tower unlocks.

• Bushman – Signature Weapon. Requires 18 Radio Tower Unlocks

Sniper Rifles

• SVD – Requires 3 Radio Tower unlocks.

• M-700 – Requires 6 Radio Tower unlocks.

• Z93 – Requires 15 Radio Tower unlocks.

LMG’s

• PKM – Requires 4 Radio Tower unlocks.

• U100 – Requires 7 Radio Tower unlocks.

• MKG – Requires 14 Radio Tower unlocks.

Launchers

• RPG-7 – Requires 6 Radio Tower unlocks.

• GL-94 – Requires 8 Radio Tower unlocks.

Specials - Repair Tool – Requires 2 Radio Tower unlocks.

• Flare Gun – Requires 7 Radio Tower unlocks.

• Recurve Bow – Requires 3 Radio Tower unlocks.

• Flamethrower – Requires 5 Radio Tower unlocks.

At the very least the Z93 has armor piercing projectiles.
I was able to headshot LMG/flamethrower enemies, who wear an armored helmet, with this sniper rifle. I was not able to headshot them with the M-700.

The ingame description of the Z93 also states that it uses .50 caliber rounds. Rounds of that caliber are normally armor piercing.

Ingame description of the Z93:

"No rifle hits harder at long range than this .50 caliber beast. Simply put, it kills what it hits."

I also guess that the D50 is loaded with .50 caliber rounds, hence the 50 in the name. Plus its counterpart in reality is able to shoot .50 caliber rounds, but there is no written ingame evidence that this gun actually carries .50 caliber rounds.

Edit:
Maybe the .44 Revolver is armor piercing, because of the high caliber.

I also noticed the Shredder to be quite effective against armored enemies, yet i cannot confirm if it's armor piercing, as there is no written ingame proof.