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Description
The ARC-12 is the latest iteration of the line of assault rifles in the Republic military's use. The weapon is a refinement on the m/10 assault rifle , with greater emphasis on total modularity and ergonomics.
The weapon uses a mechanism that can handle a multitude of telescoping ammunition (cased or caseless, with 6.5mmC being standard) with the OAL of 41mm. The barrel and breech can be swapped in the field, with the ease of barrel change being considerably enhanced with the use of an annular gas piston and floating barrel. Standard barrel length comes at 23in, with sighting up to 450m in 1G environment (shortest used barrel is 12in on the microcarbine).

The weapon has separate safety and selector levers in a self-contained trigger unit and grip. The safety is marked S (sekura, safe) and P (pafi, fire).

The outer shell of the rifle is made from two pieces of hardened polymer and a RIS-compatible light alloy barrel shroud. The forward shell half contains a loose charging handle, which is pushed forward when the weapon fires the first round after cocking. The forward shell half comes in three basic configurations: rifle, micro-carbine and bipod (marksman rifles and squad support weapon). The barrel shrouds come in various lengths, and mount no integral sights, though a standard diopter and hooded post RIS pair come standard.
The barrel can be swapped on the fly by the use of a multi-tool included with the weapon (housed in the butt). However, if the barrel shroud needs to be swapped as well, the user must remove it by disengaging three pins and replacing the shroud.

The bolt carrier travel is rather limited, at 8cm total, giving somewhat rough recoil regardless of the strong main spring.

The weapon supports both limited stripping for field operations, and easy armory stripping for more in-detail maintenance. The shell is only three pieces, the operation of the weapon has three primary components and the trigger group comes off with the pistol grip.

Field stripping involves removing the barrel shroud, barrel, butt plate and the bolt carrier with the sliding breech. These are the critical components that must be maintained in the field. The polymer shell and ambidextrous ejection under the receiver mitigate dirt introduction into the action.
Armory stripping goes further in dismantling the weapon, separating the inert hammer and rolling-block captivated feed rammer from the bolt carrier, removing the shell halves and pistol grip/trigger group from the metal receiver and taking out the firing pin.
Further dismantling of the trigger group and hammer are reserved for advanced stripping or manufacturer's maintenance.

Description
The ARC-12 is the latest iteration of the line of assault rifles in the Republic military's use. The weapon is a refinement on the m/10 assault rifle , with greater emphasis on total modularity and ergonomics.
The weapon uses a mechanism that can handle a multitude of telescoping ammunition (cased or caseless, with 6.5mmC being standard) with the OAL of 41mm. The barrel and breech can be swapped in the field, with the ease of barrel change being considerably enhanced with the use of an annular gas piston and floating barrel. Standard barrel length comes at 23in, with sighting up to 450m in 1G environment (shortest used barrel is 12in on the microcarbine).

The weapon has separate safety and selector levers in a self-contained trigger unit and grip. The safety is marked S (sekura, safe) and P (pafi, fire).

The outer shell of the rifle is made from two pieces of hardened polymer and a RIS-compatible light alloy barrel shroud. The forward shell half contains a loose charging handle, which is pushed forward when the weapon fires the first round after cocking. The forward shell half comes in three basic configurations: rifle, micro-carbine and bipod (marksman rifles and squad support weapon). The barrel shrouds come in various lengths, and mount no integral sights, though a standard diopter and hooded post RIS pair come standard.
The barrel can be swapped on the fly by the use of a multi-tool included with the weapon (housed in the butt). However, if the barrel shroud needs to be swapped as well, the user must remove it by disengaging three pins and replacing the shroud.

The bolt carrier travel is rather limited, at 8cm total, giving somewhat rough recoil regardless of the strong main spring.

The weapon supports both limited stripping for field operations, and easy armory stripping for more in-detail maintenance. The shell is only three pieces, the operation of the weapon has three primary components and the trigger group comes off with the pistol grip.

Field stripping involves removing the barrel shroud, barrel, butt plate and the bolt carrier with the sliding breech. These are the critical components that must be maintained in the field. The polymer shell and ambidextrous ejection under the receiver mitigate dirt introduction into the action.
Armory stripping goes further in dismantling the weapon, separating the inert hammer and rolling-block captivated feed rammer from the bolt carrier, removing the shell halves and pistol grip/trigger group from the metal receiver and taking out the firing pin.
Further dismantling of the trigger group and hammer are reserved for advanced stripping or manufacturer's maintenance.