Weapons in this mod are symmetrical, which allows the left-handed people to use their weapons without problem (and no extra sprite work for the second weapon wielded

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Handgun 1961

Your starter weapon. Uses 9mm rounds and has a considerable magazine capacity. It's pretty fun to dual wield this thing. Still holds up with other weapons, especially when upgraded.
Primary fire: Fires 9mm rounds. You can bash fire button to shoot faster.
Secondary fire: Fires 3-round burst.
Upgrading ammunition: The weapon will have overpressure ammunition, doubling its damage.
Upgrading internals: The weapon gets an internal silencer.
Upgrading magazine: The magazine holds 30 rounds instead of 20.
Sub-Machine Gun

Kinda weak, but it has a reliable rate of fire and a considerable amount of magazine capacity. You can stunlock enemies when you dual wield this thing.
Primary fire: Rains 9mm bullets into your enemies.
Secondary fire: Fires nails. Stronger but less accurate since they are projectiles, not hitscan.
Upgrading internals: The weapon gets an internal silencer.
Upgrading magazine: The magazine holds 75 rounds instead of 45.
"Scythe" Magnum

A heavy hitting pistol. This .45 cal pistol packs quite a punch against most enemies. You can still use this against higher-tier monsters.
Primary fire: Well, it sends .357 rounds to your foe's face.
Secondary fire: It fires shredded rounds, turning this thing into a pocket shotgun.
Upgrading ammunition: The weapon will have explosive rounds for primary fire and 50% more pellets for secondary firemode.
Upgrading internals: The weapon becomes full-auto and have increased fire rate when dual wielded.
Upgrading magazine: The magazine holds 12 rounds instead of 7.
FG-61 Paratrooper Rifle

The successor of the legendary WWII-era sniper rifle. This baby shoots .357 rounds in a rapid succession, and it has a scope that can zoom up to 15 times for extremely long ranges.
Primary fire: Scope zoom factor is 5.
Secondary fire: Scope zoom factor is 15.
Upgrading ammunition: The weapon gets Kevlar coated rounds, which deal 80% more damage.
Upgrading internals: The weapon becomes perfectly balanced, making its accuracy increase drastically.
Upgrading magazine: The weapon's magazine expands to 30 from 20.
Inferno Shotgun

This cruel weapon was used in riots and the protests in Nazi Germany lowered drastically since then.
Primary fire: It shoots 12 gauge shells and splatters any unfortunate one's brains.
Secondary fire: It fires slug rounds for increased accuracy.
Upgrading Ammunition: The weapon will be granted with Dragon's Breath rounds which cause fire-based splash damage.
Upgrading Magazine: The weapon will have magazine-based reload system, making it much quicker to reload.
"Grimmhammer" Shotgun

The big brother and the successor of Schockhammer X. This rotary-barreled automatic shotgun will ruin even the strongest behemoths' days.
Primary fire: Fires one barrel.
Secondary fire: Fires all barrels.
Upgrading internals: Increases weapon's fire rate.
Upgrading magazine: Expands weapon's magazine capacity to 36 from 24.
Super Shotgun

Ahh, nothing is better than a good ol' double-barreled shotgun. As classic this thing is, it's also extremely strong.
Primary fire: Fires both barrels.
Secondary fire: Fires one barrel at a time.
Upgrading ammunition: 60% more pellets.
Assault Rifle

Highly accurate and highly strong. Still remains accurate when dual wielded. This thing also has an internal silencer which can be turned on-off. Can be a perfect stealth weapon! It also has a scope to snipe enemies from far away.
Primary fire: Fires 5.56 NATO bullets automatically.
Secondary fire: Fires with silencer enabled. Stealthy, but slightly weaker.
Upgrading ammunition: The weapon gets Armor-Piercing rounds, able to go through 2 targets and deal 50% more damage. Silenced fire-mode is still same, though.
Upgrading internals: The weapon's accuracy increases.
Upgrading magazine: The weapon's magazine expands to 60 from 40.
Gatling Gun

Rotary-barreled death machine. Has a very high rate of fire, and it can be even higher when dual wielded!
Primary fire: It basically turns anything into dust.
Secondary fire: Spins the barrel.
Kampfpistole

A grenade launcher which is as big as a revolver. Don't underestimate this thing, it still holds up with a standard grenade launcher.
Primary fire: It shoots impact grenades.
Secondary fire: It shoots bouncing grenades.
Upgrading ammunition: The weapon gets mini-nuke grenades instead of high explosive grenades.
Upgrading magazine: The weapon's chamber holds 8 rounds instead of 4.
NapalmKraftWerk

The favourite toaster of Nazi troopers, this cruel weapon will pump super hot napalm to the enemies' faces, either by canisters or pure.
Primary fire: It shoots napalm canisters at a rapid succession.
Secondary fire: Shoots the flamethrower, fries anything like a chicken.
Upgrading ammunition: Standard napalm gets replaced by Black Napalm, dealing 60% damage and faster projectile/napalm current.
Upgrading internals: The weapon's rate of fire increases.
Upgrading magazine: The weapon's magazine holds 300 units instead of 200.
Laser Rifle

Shoots laser bolts with perfect accuracy (still has recoil) that deal tremendous damage against any foe. It also has a scope for long range. It consumes 2 units per shot (10 per secondary).
Primary fire: It shoots laser bolts.
Secondary fire: It shoots bouncing high-powered laser bolts.
Upgrading ammunition: Shoots stronger laser bolts with 50% damage. Secondary fire bolts also bounce twice the amount.
Upgrading magazine: The weapon holds 75 units instead of 50.
Railgun

Full-auto railgun that shoots hyper-fast plutonium slugs (They are powered by batteries). Launched slugs are so fast that they explode when they get in contact with something. It has a scope, which has a higher zoom factor than the Laser Rifle and Autocannon. Uses 15 battery units per slug.
Primary fire: Look to the above.
Secondary fire: It shoots unstable plutonium slugs, which explode much more violent. Impact damage is much less.
Upgrading internals: The weapon gets increased fire rate.
Upgrading magazine: The weapon's magazine increases to 10 from 5.
Dark Matter Gun

Powered by fusion cells, this baby shoots a vortex that attracts anything to itself and explodes violently after it gets in contact with a wall.
Primary fire: What says on the tin. Consumes 30 unit.
Secondary fire: It shoots an inactive vortex that activates upon impact. Consumes 100 units.
BFG-9000

Your good ol' eradicating machine. This thing is also powered by fusion cells. It shoots an orb composed of argent energy which shoots an arc against an enemy and causes massive damage anything in its sight when it explodes.
Primary fire: Shoots a large argent ball. Consumes 50 units.
Secondary fire: Shoots smaller argent balls in a rapid succession. Consumes 5 units.