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Description
A semi original weapon I made for my imperial world.

The Krasnikov-Umbra M74 Stalker Bolt Rifle belongs to the Astra Militarum regiments of Kray Mira and it's Planetary Defense Force.
It is a powerful ballistic anti-personnel weapon designed for Grenadiers and high-level PDF units, to serve as a designated marksman rifle for high-risk operations, which must combine high damage output with accuracy and versatility.
This pattern is a variant of the standard Krasnikov-Umbra M74 Boltgun that has been altered to make use of Stalker Silenced Shells, which are Bolter rounds with low sound signatures meant for covert fighting, and was created to fill the engagement range gap between a standard Boltgun and a dedicated sniper rifle. Despite its modifications, this weapon is still capable of firing the same bolt rounds as the Boltguns carried by other members of the unit. This reduces logistical requirements by making it possible to supply only one type of service ammunition to a unit, and help preserve the costly silenced shells. The M74 features a 4-position (0, 1, 2, 3) operator-adjustable gas regulator enabling more propellant gas to be vented to the piston in marginal operating conditions or less propellant gas when using a suppressor. The "0" setting entirely blocks the gas impulse to the piston, enabling use of the rifle as a manual repeater.
This weapon has a longer barrel than the standard Krasnikov-Umbra M74 Boltgun, is more resistant to damage when handled roughly, and has improved rifling with six grooves for increased accuracy, this modification also enhances its reliability in adverse environmental conditions. This pattern of Bolter is intended to be used by normal humans and is sized accordingly. The furniture features a straight comb butt, which has a rubber pad similar to that found on other Kraymiran weapons, and a well-shaped contoured pistol grip. A bipod can be attached to it for stable firing from the prone or kneeling position. In order to reduce its operating costs, this pattern normally employs a modified rocket-propelled distress flares fitted with crude impact detonators in a pale imitation of a true Bolt shell, but are nevertheless still quite deadly, igniting flammable materials and can set a victim on fire in addition to the normal explosive damage it dishes out. When dealing with heavily-armoured infantry it can fire more powerful armour-piercing rounds that uses a heavier main charge with its uranium core replaced by a solid wolframium core; upon impact, the outer casing peels away and the high-velocity wolframium needle accelerates into the victim, where the larger detonator propels shards of super-hardened metal further into the wound.
Though Kray Mira did not originally meddle with such holy technologies, the formation of the Cicatrix Maledictum forced the planet to improve and expand its defensive capabilities in order to survive. Due to their loyalty and numerous contributions to the Indomitus Crusade, all of Kray Mira's subtle tech heresies were overlooked/allowed to continue by the Adeptus Mechanicus.

As with my previous post, it's kinda inspired on the Soviet Union and modern day Russia. Hope you like it!

Description
A semi original weapon I made for my imperial world.

The Krasnikov-Umbra M74 Stalker Bolt Rifle belongs to the Astra Militarum regiments of Kray Mira and it's Planetary Defense Force.
It is a powerful ballistic anti-personnel weapon designed for Grenadiers and high-level PDF units, to serve as a designated marksman rifle for high-risk operations, which must combine high damage output with accuracy and versatility.
This pattern is a variant of the standard Krasnikov-Umbra M74 Boltgun that has been altered to make use of Stalker Silenced Shells, which are Bolter rounds with low sound signatures meant for covert fighting, and was created to fill the engagement range gap between a standard Boltgun and a dedicated sniper rifle. Despite its modifications, this weapon is still capable of firing the same bolt rounds as the Boltguns carried by other members of the unit. This reduces logistical requirements by making it possible to supply only one type of service ammunition to a unit, and help preserve the costly silenced shells. The M74 features a 4-position (0, 1, 2, 3) operator-adjustable gas regulator enabling more propellant gas to be vented to the piston in marginal operating conditions or less propellant gas when using a suppressor. The "0" setting entirely blocks the gas impulse to the piston, enabling use of the rifle as a manual repeater.
This weapon has a longer barrel than the standard Krasnikov-Umbra M74 Boltgun, is more resistant to damage when handled roughly, and has improved rifling with six grooves for increased accuracy, this modification also enhances its reliability in adverse environmental conditions. This pattern of Bolter is intended to be used by normal humans and is sized accordingly. The furniture features a straight comb butt, which has a rubber pad similar to that found on other Kraymiran weapons, and a well-shaped contoured pistol grip. A bipod can be attached to it for stable firing from the prone or kneeling position. In order to reduce its operating costs, this pattern normally employs a modified rocket-propelled distress flares fitted with crude impact detonators in a pale imitation of a true Bolt shell, but are nevertheless still quite deadly, igniting flammable materials and can set a victim on fire in addition to the normal explosive damage it dishes out. When dealing with heavily-armoured infantry it can fire more powerful armour-piercing rounds that uses a heavier main charge with its uranium core replaced by a solid wolframium core; upon impact, the outer casing peels away and the high-velocity wolframium needle accelerates into the victim, where the larger detonator propels shards of super-hardened metal further into the wound.
Though Kray Mira did not originally meddle with such holy technologies, the formation of the Cicatrix Maledictum forced the planet to improve and expand its defensive capabilities in order to survive. Due to their loyalty and numerous contributions to the Indomitus Crusade, all of Kray Mira's subtle tech heresies were overlooked/allowed to continue by the Adeptus Mechanicus.

As with my previous post, it's kinda inspired on the Soviet Union and modern day Russia. Hope you like it!