Street Custom 'Cigarette' Pen Gun

improvised firearm

Arcturus Defense Solutions Crowd Control SMG ACSM-3 'Shepherd'

smg

Tessera Neural Assault System TNAS-1 'Puppeteer'

assault_rifle

Ablative Charge Disruption Rifle ACDR-2 'Sandpaper'

cyber

Acoustic Cavity Resonance Pistol ACRP-2 'Hollowpoint'

exotic

Acoustic Marrow Shear Rifle AMSR-6 'Tutor'

exotic

Arcturus Defense Solutions Concussive Breach Charge CBC-3 'Knocker'

explosive

Arcturus Defense Solutions Cryogenic Projector CP-4 'Frostbite'

energy

Arcturus Defense Solutions Directed EMP Rifle DER-5 'Blackout'

electromagnetic

Arcturus Defense Solutions Graviton Shield Projector GSP-1 'Aegis'

heavy

Arcturus Defense Solutions Kinetic Denial System KDS-4 'Bouncer'

heavy

Arcturus Defense Solutions Kinetic Impactor Round KIR-10 'Hammerfall'

rifle

Arcturus Defense Solutions Pulse Carbine PC-6 'Heartbeat'

electromagnetic

Arcturus Defense Solutions Orbital Strike Designator OSD-1 'Finger of God'

heavy

Arcturus Defense Solutions Microwave Area Denial MAD-3 'Sunburn'

energy

Arcturus Defense Solutions Magnetic Accelerator Rifle MAR-8 'Longbow'

rifle

Autonomous Swarm Dispersal Unit ASDU-3 'Locust'

drone

Autonomous Ferrofluid Denial Platform AFDP-2 'Tidemark'

drone

Arcturus Defense Solutions Thermal Lance TL-9 'Sunstroke'

energy

Autonomous Adhesive Denial Drone AADD-2 'Barnacle'

drone

Axiom Systems Biometric Lock Rifle BLR-3 'Personal'

rifle

Autonomous Swarm Dispersal Unit ASDU-4 'Locust'

drone

Axiom Systems Cognitive Grenade CG-1 'Brainstorm'

electromagnetic

Axiom Systems Perception Filter Rounds PFR-1 'Blind Spot'

exotic

Axiom Systems Synapse Interruptor SI-3 'Stutter'

electromagnetic

Axiom Systems Cortical Bomb CB-1 'Leash'

cyber-integrated

Axiom Systems Neural Disruptor ND-2 'Migraine'

electromagnetic

Ballistic Resonance Carbine BRC-6 'Kettledrum'

firearm

Axonal Stretch Resonance Lance

firearm

Bioelectric Cascade Charge

explosive

Barometric Implosion Carbine BIC-5 'Sinkhole'

cyber

Bioelectric Induction Lance BIL-3 'Lamprey'

melee

Biometric Denial Charge BDC-1

explosive

Bioluminescent Acoustic Disruptor BAD-2 'Choral'

exotic

Capillary Disruption Pistol CDP-2 'Bruiser'

firearm

Biophotonic Retinal Cascade Emitter BRCE-5 'Flashpoint'

energy

Carrion Defense Works Bone Saw BS-3 'Butcher'

melee

Capacitive Nerve Induction Lance CNIL-1 'Threadneedle'

energy

Carrion Defense Works Fragmentation Sleeve FS-2 'Shrapnel Hug'

explosive

Carrion Defense Works Entropic Shotgun ES-4 'Ragnarok'

shotgun

Carrion Defense Works Hemorrhage Rifle HR-6 'Bloodletter'

rifle

Carrion Defense Works Nerve Agent Micro-Dart System NAMDS-1 'Whisper'

exotic

Carrion Defense Works Miasma Projector MP-5 'Plague Bearer'

chemical

Carrion Defense Works Marrow Drill MD-7 'Dentist'

pistol

Carrion Defense Works Necrotizing Agent Sprayer NAS-2 'Rot'

chemical

Carrion Defense Works Ricochet Pistol RCH-1 'Billiard'

pistol

Carrion Defense Works Neural Lash NL-3 'Agony'

cyber-integrated

Carrion Defense Works Pathogen Delivery System PDS-4 'Typhoid'

chemical

Catalytic Aerosol Mortar CAM-3 'Lungful'

explosive

Catalytic Vapor Dispersal Charge CVDC-5

explosive

Cavitation Pulse Carbine CPC-2 'Bends'

firearm

Catalytic Interstitial Desiccation Drone CIDD-3 'Husk'

drone

Catalytic Spore Dispersal Drone CSDD-3 'Mulch'

drone

Cavitation Pulse Knuckles CPK-5 'Bloodwater'

melee

Cerulean Phosphene Projector CPP-3 'Phantom Light'

exotic

Cochlear Resonant Hemorrhage Projector

cyber

Coherent Thermal Excitation Rifle CTER-7 'Ashmaker'

energy

Coherent Radiation Scalpel CRS-7 'Suture'

energy

Corneal Piezoelectric Delamination Pistol

cyber

Cryogenic Dendrite Scatter Cannon CDSC-4 'Frostbite'

exotic

Coronal Discharge Projector CDP-9 'Sunburn'

exotic

Cortical Bleed Emitter CBE-4 'Lacuna'

cyber

Counter-Personnel Loiter Munition CPLM-7 'Patience'

drone

Crystalline Synovial Pressure Rifle CSPR-2 'Kneemaker'

exotic

Cryogenic Fracture Disbursement Mine CFDM-4

explosive

Dermal Induction Flayer DIF-2 'Saltwater'

exotic

Cryogenic Pressure Emitter CPE-2 'Frostbite'

energy

Dielectric Filament Anchor Drone DFAD-1 'Cobweb'

drone

Dielectric Hemorrhage Emitter DHE-4 'Blister'

energy

Dielectric Phase Inversion Glove DPIG-4 'Secondskin'

exotic

Dielectric Vitreous Humor Agitator DVHA-2 'Snowglobe'

exotic

Electrochemical Dissolution Sprayer EDS-2 'Lacquer'

exotic

Directed Overpressure Charge

explosive

Directed Oxidation Lance DOL-3 'Rustmaker'

cyber

Electrokinetic Pulse Drone EPD-3 'Thunderhead'

drone

Electrochemical Vapor Seeding Drone EVSD-4 'Rainmaker'

drone

Electrolytic Bone Density Projector EBDP-4 'Chalk'

energy

Electrostatic Adipose Polarization Drone EAPD-2 'Render'

drone

Electromagnetic Overpressure Charge EOC-8

explosive

Electrostatic Dermal Adhesion Projector

exotic

Electromagnetic Pulse Grenade EPG-5 'Deadstop'

explosive

Electrothermal Chemical Carbine ETCC-5 'Flashpoint'

firearm

Electrothermal Compression Lance ETCL-9 'Ironlung'

energy

Electrostatic Needle Array Rifle ENAR-3 'Porcupine'

firearm

Electrostatic Flensing Projector EFP-1 'Skinreader'

energy

Endolymphatic Pressure Cascade Rifle

exotic

Endothermic Synovial Disruption Rifle ESDR-1 'Lockjaw'

energy

Endocrine Cascade Volatilization Lance ECVL-5 'Burnout'

cyber

Ferroelectric Shatter Sidearm FESA-2 'Gravel'

exotic

Ferrofluid Induction Cannon FIC-6 'Ironbloom'

energy

Ferrofluid Dermal Infiltration Drone FDID-6 'Ironblush'

drone

Entropic Dielectric Pulse Emitter EDPE-5 'Candle'

energy

Galvanic Myofibril Lash

melee

Galvanic Marrow Projector GMP-1 'Marrowbone'

cyber

Galvanic Interstitial Fluid Displacement Lance

exotic

Galvanic Disruption Gauntlet GDG-2 'Palsy'

melee

Galvanic Periosteal Fatigue Emitter GPFE-4 'Hairline'

exotic

Galvanic Vapor Diffusion Pistol GVDP-1 'Saltlick'

exotic

Gauss Flechette Repeater GFR-3 'Needlerain'

firearm

Gravimetric Induction Pistol GIP-4 'Undertow'

energy

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Meridian Munitions Dual-Mode DMR MDDM-7 'Switchback'

The MDDM-7 Switchback is a dual-caliber DMR that chambers both 6.5mm caseless and 8.6mm caseless through a barrel-swap system that the BCI smart-link manages automatically. The weapon carries two barrels internally — one precision 6.5mm tube for long-range accuracy and one heavy 8.6mm tube for close-range stopping power. On neural command, the active barrel rotates into position in 0.8 seconds, reconfiguring the weapon's ballistic profile.

The 6.5mm mode delivers 1-MOA accuracy at 800 meters — competitive with dedicated DMR platforms. The 8.6mm mode sacrifices accuracy for devastating close-range terminal effect, functioning essentially as a semi-automatic battle rifle that hits like a freight train inside 300 meters. The BCI system adjusts the smart-scope's ballistic calculations automatically when the barrel swaps, and the magazine well accepts both caliber-specific magazines.

Meridian designed the Switchback for designated marksmen who operate without close-range backup. In small freelance teams where the marksman might need to defend their position at CQB distances before resuming precision overwatch, the MDDM-7 provides both capabilities without requiring a secondary weapon. At Φ9,500, the dual-barrel system represents a significant engineering investment that Meridian prices competitively.

name	Meridian Munitions Dual-Mode DMR MDDM-7 'Switchback'
aliases	Switchback MDDM-7 Two-Face
category	dmr
manufacturer	MERIDIAN MUNITIONS
tier availability	Tier 3+
legality	Available — premium licensing
base technologies	Dual-barrel rotation system BCI automated barrel swap Multi-caliber ballistic adaptation Compact dual-barrel housing
specifications	caliber: 6.5mm caseless / 8.6mm caseless (switchable) effective_range: 800m (6.5mm) / 400m (8.6mm) rate_of_fire: Semi-automatic magazine_capacity: 20 rounds (6.5mm) / 12 rounds (8.6mm) weight: 5.0 kg
tactical use	The Switchback eliminates the DMR's traditional vulnerability to close-range engagement. When hostiles close inside the 6.5mm's optimal range, the operator swaps to 8.6mm and meets the threat with overwhelming close-range firepower. The 0.8-second barrel swap is fast enough for reactive transitions during dynamic engagements. The weapon's versatility allows the marksman to operate independently or in small teams without requiring dedicated close-range support.
cultural context	The Switchback reflects the reality of freelance designated marksmanship — that precision shooters rarely have the luxury of a full squad protecting their position. The weapon acknowledges that the marksman is often alone, and solitude requires versatility. Freelance marksmen have adopted the Switchback enthusiastically, valuing its ability to handle the unpredictable engagement distance variations of independent operations.
known users	Freelance designated marksmen Solo operators Small-team marksmen Versatile precision shooters
story hooks	A Switchback's barrel rotation jammed mid-swap during a critical engagement, leaving the operator with neither barrel in firing position. The 0.8-second swap became an eternity as the operator manually forced the rotation. A Switchback operator discovered that the dual-barrel housing had been modified to include a third barrel position — empty, but pre-drilled for a caliber that doesn't exist in production. Someone is planning for ammunition that hasn't been invented yet.
ammunition type	6.5mm caseless match 8.6mm caseless
physical description	The Switchback is a brutalist rifle with a reinforced polymer chassis scarred by carbon scoring and ergonomic wear. Twin barrel housings run parallel along the upper receiver, their matte-black caseless tubes marked with faded Meridian logos and recalibration scratches. The BCI neural interface sits flush in the charging handle as a worn silver node, its casing cracked at one edge but functionally intact.
visual prompt	tactical DMR rifle with dual barrel system, matte black caseless barrels, worn polymer furniture with carbon scoring, neural interface node on charging handle, industrial neo-noir aesthetic, gritty product photography, rain-slicked surfaces, dark background, detailed mechanical wear, near-future military hardware, moody lighting