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Meridian Munitions Urban Carbine MUC-6 'Crosswalk'

The MUC-6 Crosswalk is Meridian Munitions' urban-optimized carbine, designed for the tight angles, short distances, and civilian density of city combat. The weapon features a short 280mm barrel with aggressive porting that reduces muzzle flash to near-invisible levels in daylight conditions. The integrated BCI link includes a threat-discrimination system that highlights hostile targets in the operator's neural display while tagging bystanders with caution markers.

Chambered in 6mm caseless with an optimized twist rate for close-range terminal performance, the Crosswalk sacrifices ballistic performance beyond 300 meters for devastating effect inside 150. The 6mm round at close range with the Crosswalk's optimized twist fragments reliably in soft tissue while losing energy rapidly after penetration, reducing the risk of overpenetration in populated environments.

Meridian designed the MUC-6 for the urban operators who make up the majority of their customer base — freelancers, security contractors, and bounty hunters whose work happens on city streets, in parking structures, and through apartment corridors. At Φ3,400, the Crosswalk is moderately priced and brutally effective within its intended engagement envelope.

name

Meridian Munitions Urban Carbine MUC-6 'Crosswalk'

aliases

Crosswalk
MUC-6
Street Sweeper

category

assault_rifle

manufacturer

MERIDIAN MUNITIONS

tier availability

Tier 2+

legality

Available — standard licensing

base technologies

Flash-suppressed ported barrel
BCI threat-discrimination system
Close-range optimized twist rate

specifications

caliber: 6mm caseless
effective_range: 300m (150m optimal)
rate_of_fire: 800 rpm (cyclic)
magazine_capacity: 30 rounds
weight: 2.6 kg

tactical use

The Crosswalk dominates urban combat inside 150 meters. Its threat-discrimination BCI overlay helps operators make shoot/no-shoot decisions in crowded environments, reducing collateral casualties. The flash-suppressed barrel allows firing in darkened interiors without destroying the operator's night vision or revealing their position. The close-range optimized ammunition fragments reliably in targets while minimizing danger to bystanders from overpenetration.

cultural context

The Crosswalk is the city gun — the weapon of operators who work where people live. Meridian's marketing emphasizes precision and responsibility, positioning the MUC-6 as the weapon of professionals who care about collateral damage. In practice, the 'Street Sweeper' nickname tells a different story. The weapon is devastatingly effective in close quarters, and not everyone who carries one shares Meridian's concern for bystanders.

known users

Urban freelancers
Bounty hunters
Building security teams
Close protection details

story hooks

A Crosswalk's threat-discrimination system was hacked to tag a specific civilian as a hostile combatant. The operator fired before realizing the system was compromised.
Meridian is recalling a batch of MUC-6s after discovering the close-range ammunition fragments are leaving distinctive metallic residue that allows forensic identification of the specific weapon used — a feature no one requested and no one wants.

ammunition type

6mm caseless frangible
6mm caseless standard

related entities

Alper Holmberg-Dembele
Automated Street Sweeper
Kang-Petrov Arms KPS-9 'Rattler'
MERIDIAN
Nika Svensson-Kone
SynapTech ReadRoom Social Cue Enhancer
Tessera Phased Array Disruptor PAD-3 'Sunspot'

physical description

visual profile	A compact, aggressive assault carbine with a distinctly urban aesthetic. The short profile and forward-swept lines suggest speed and maneuverability in tight spaces. The ported barrel dominates the front end with visible radial ports that give it an almost brutalist appearance. Sleek and purposeful rather than militaristic.
dimensions	Overall length: 680mm \| Barrel length: 280mm \| Width at receiver: 65mm \| Height with optics rail: 120mm
weight description	Noticeably light and well-balanced, feels alive in the hand despite 2.6kg mass. The short barrel and compact frame distribute weight forward without creating muzzle heaviness.
primary material	Reinforced polymer composite frame with chrome-molybdenum steel barrel assembly and receiver section. Polymer deliberately chosen over traditional materials for weight reduction and cost optimization.
finish	Matte gunmetal gray polymer with brushed stainless steel accents around the barrel ports and receiver. The porting is left with a light machine-mark finish that catches light dramatically.
color scheme	Charcoal matte gray as primary with brushed metallic silver highlighting the barrel porting, trigger guard, and rail sections. Accent touches of electric blue from integrated BCI indicator lights along the upper receiver.
grip texture	Textured polymer grip with subtle ergonomic finger grooves. Slightly aggressive texture provides secure purchase even with gloved hands or synthetic skin. The underside has fine cross-hatching for thumb placement.
distinctive features	Radial barrel porting with visible machining marks and heat discoloration around ports Integrated BCI neural-link interface node mounted above charging handle with small LED status indicators (blue idle, amber processing, red threat-lock) Abbreviated 1913 Picatinny rail running full length of receiver Aggressive muzzle brake geometry with pronounced porting angles Thin, minimalist charging handle recessed into receiver profile Streamlined magazine well with witness holes showing round count Fine wear marks and micro-scratches on grip and barrel from field use
manufacturer markings	MERIDIAN MUNITIONS logo stamped in small lettering above the magazine well in brushed inlay. Model designation 'MUC-6' and serial plate mounted on the lower receiver left side. Small ⌀ currency symbol etched below the safety selector indicating Φ3,400 retail tier.
condition typical	Well-maintained but clearly field-used. Polymer shows micro-scratches and light scuff marks around the grip and trigger guard. Barrel porting displays minimal oxidation and light carbon scoring from regular discharge. Overall impression of a working tool kept in operational condition rather than a showcase piece.

image prompt

Product photography of the Meridian Munitions MUC-6 Crosswalk urban assault carbine. Weapon mounted on dark matte black surface or held in gloved augmented hand with visible neural-link port. Dramatic side-lighting emphasizing the radial barrel porting and brushed metallic highlights. Close detail showing BCI indicator node with subtle electric blue glow. Neo-noir urban aesthetic with shallow depth of field. Dark urban background suggesting concrete parking structure. Include reflections on polymer surfaces. Cinematic dramatic lighting that reveals texture and form. --ar 3:2 --v 6

visual prompt