GPMG-7 Muzzle Booster

"Harnesses the energy of escaping propellant gasses to increase the rate of fire over time, but at the expense of recoil."

— In-game description

The GPMG-7 Muzzle Booster is a muzzle attachment featured in Call of Duty: Black Ops 6. It was added on October 16th, 2025 as part of the Season Six update.

Gallery[]

v • d • e Weapons in Call of Duty: Black Ops 6

Assault Rifles	XM4 · AK-74 · AMES 85 · GPR 91 · Model L · Goblin Mk2 · AS VAL · Krig C (Season 1) · Cypher 091 (Season 2) · Kilo 141 (Season 3) · CR-56 AMAX (Season 3) · FFAR 1 (Season 4) · ABR A1 (Season 5) · Merrick 556 (Season 6)

Submachine Guns	C9 · KSV · Tanto .22 · PP-919 · Jackal PDW · Kompakt 92 · Saug (Season 1) · PPSh-41 (Season 2) · Ladra (Season 3) · LC10 (Season 4) · Dresden 9mm (Season 6)

Shotguns	Marine SP · ASG-89 · Maelstrom (Season 1)

Light Machine Guns	PU-21 · XMG · GPMG-7 · Feng 82 (Season 2) · PML 5.56 (Season 5)

Marksman Rifles	SWAT 5.56 · Tsarkov 7.62 · AEK-973 · DM-10 · TR2 (Season 2) · Essex Model 07 (Season 4)

Sniper Rifles	LW3A1 Frostline · SVD · LR 7.62 · AMR Mod 4 (Season 1) · HDR (Season 3)

Pistols	9mm PM · Grekhova · GS45 · Stryder .22 · Gravemark .357 (Season 5)

Launchers	CIGMA 2B · HE-1

Melee	Knife · Baseball Bat · Power Drill (Season 1) · Cleaver (Season 1) · Katanas (Season 2) · Bo Staff (Season 2) · Sai (Season 2) · Nunchaku (Season 2) · Skateboard (Season 2) · Kali Sticks (Season 3) · Pickaxe (Season 4) · Boxing Gloves (Season 5) · Chainsaw (Season 6)

Special	Sirin 9mm (Season 1) · D1.3 Sector (Season 2) · Nail Gun (Season 3) · Olympia (Season 4) · X52 Resonator (Season 6) Scorestreak Weapons: Archangel Launcher · Hand Cannon (Season 1) · War Machine (Season 2) · Death Machine (Season 3) · Grim Reaper (Season 4) · Combat Bow (Season 5)

Other melee weapons	Fists · Clawhammer · Hatchet

Attachments	Optic: PrismaTech Reflex · Otero Red Dot · Merlin Mini · Willis 3x · Volzhskiy Reflex · 0M3 '92 Holo · Accu-Spot Reflex · K&S Red Dot · Otero Micro Dot · Pinpoint Holoscout · Dobrych 4x · Merlin Reflex · Jason Armory 2x · Pinpoint Hybrid · PrismaPoint Hybrid · Redwell Reflex · R&K Multizoom · Accu-Spot Ultra Holo · PrismaTech 4x · Remuda Mini Reflex · Blandwell 7x Scope · Kepler Microflex · Kepler Red Dot · Dobrych MF Reflex · VMF Variable Scope · K&S Thermal Holo · Otero Thermal 2x · Remuda Range Finder · Redwell Custom Zoom · Thermal 6x · Remuda Dual Zoom · Iron Sight · Kepler Pistol Scope · SVD Scope · Hawker Hybrid · Carry Handle Sight Muzzle: Suppressor · Compensator · Muzzle Brake · Ported Compensator · Modified Choke · Full Choke · Monolithic Suppressor (Season 3) · GPMG-7 Muzzle Booster (Season 6) Barrel: Gain-Twist Barrel · CHF Barrel · Long Barrel · Short Barrel · Reinforced Barrel · Suppressed Gain-Twist Barrel · Suppressed Long Barrel · Suppressed Reinforced Barrel · Suppressed CHF Barrel · Integrated Suppressor Barrel · Combat Barrel · Heavy Barrel · Quick Load Barrel · CHF Semi-Auto Conversion (Season 6) · GPR 91 Double-Barrel Conversion (Season 6) Underbarrel: Vertical Foregrip · Lightweight Foregrip · Precision Foregrip · Marksman Foregrip · Ranger Foregrip · Weighted Foregrip · Weighted Handguard · Lightweight Handguard · Marksman Handguard · Precision Handguard · Ranger Handguard · Launcher - Standard (M203/GP-25) · Launcher - Smoke · Launcher - High Explosive · Launcher - Drill Charge · Crossbar · Crossbow (Season 2) · Lightweight Bipod (Season 3) · Marksman Bipod (Season 3) · G-Grip (Season 4) Stock Pad: Weighted Pad · Lightweight Pad · Ranger Pad · Precision Pad · Marksman Pad Magazine: Extended Mag I · Extended Mag II · Extended Mag III · Extended Mag IV · Flip Mag · Fast Mag I · Fast Mag II · Fast Mag III · Explosive Blades (Season 2) · Ricochet Blades (Season 2) · Belt-Fed (Season 2) · Full-Auto Extended Mag (Season 3) · C9 10mm Auto 30-Round Mags (Season 3) · Stripper Clip (Season 4) · Skull Splitter Extended Mag (Season 5) · PPSh-41 Helical Mag (Season 5) Rear Grip: Quickdraw Grip · Commando Grip · Assault Grip · Ergonomic Grip · CQB Grip Lever Quickdraw Lever (Season 4) · Assault Lever (Season 4) · Commando Lever (Season 4) · Ergonomic Lever (Season 4) · CQB Lever (Season 4) Comb: Quickdraw Riser · Combat Riser · Commando Riser · CQB Riser · Ergonomic Riser · Light Riser · Infiltrator Riser · Heavy Riser · Balanced Riser Stock: Heavy Stock · Light Stock · Balanced Stock · Combat Stock · Infiltrator Stock · No Stock · Full Stock · Quickdraw Stock · Agility Stock · Ergonomic Stock · Weighted Stock · Akimbo · Buffer Weight Stock (Season 1) · Overclocked Stock (Season 2) · Balanced Pad (Season 4) · Infiltrator Pad (Season 4) · Combat Pad (Season 4) · Cut-Off Stock (Season 4) · Heavy Pad (Season 5) · Light Pad (Season 5) Laser: Tactical Laser · Steady Aim Laser · Strelok Laser · Fast Motion Laser · Target Laser Fire Mods: FMJ · Recoil Springs · Overpressured · Rapid Fire · 12 Gauge Slug · 12 Gauge Dragon's Breath (Season 1) · Burst Fire (Season 1) · AEK-973 Auto Mod (Season 2) · Binary Trigger (Season 2) · SWAT 5.56 Grau Conversion (Season 3) · Goblin Mk2 7.62 Mini-Rocket Conversion (Season 3) · SVD Full Auto Mod (Season 4) · TR2 CQB Auto Conversion (Season 4) Shard: Spiked Barrage Shard (Season 6) · Orbed Eruption Shard (Season 6) · Stone Escalation Shard (Season 6) Unique: Fire Select - Semi-Auto

Lethals	Frag · Semtex · C4 · Thermo Grenade · Impact Grenade · Molotov · Blast Trap · Drill Charge · Combat Axe Throwing Knife (SP) · Homing Knife (SP) · Aether Blade (ZM)

Tacticals	Concussion · Flashbang · Spy Cam · Smoke · Prox Alarm · Stim Shot · Decoy · Shock Charge Tranquilizer Trap (SP) · Grappling Hook (SP) · Cymbal Monkey (ZM) · LT53 Kazimir (ZM) · Incantations (ZM) (Season 1)

Field Upgrades	Assault Pack · Spring Mine · Trophy System · Scrambler · Signal Lure · War Cry · Tactical Insertion · Acoustic Amp · Morphine Injector · Neurogas · Sleeper Agent Zombies: Energy Mine · Frenzied Guard · Dark Flare · Healing Aura · Aether Shroud · Tesla Storm (Season 1) · Frost Blast (Season 3) · Mister Peeks (Season 5)

Wonder Weapons	Ray Gun · DRI-11 Beamsmasher · Thrustodyne M23 · The Bastard Swords (Season 1) · Staff of Ice (Season 2) · Ray Gun Mark II (Season 3) · Wunderwaffe DG-2 (Season 3) · Gorgofex (Season 5)

Unobtainable weapons	AK-47 · Model 680 · PKM · Kar98k · M1911 · RPG-7 · Karambit Knife · Mk 2 Grenade

Manufacturers	BlackCell · Corvus Defense · Expedite Firearms · Tiber · First Raunch · Hawker · Maisel · Singuard Arms · XRK

Miscellaneous	Armor Plates · Artillery Marker · Ascender · Assault Shield · Browning M2 · Cavalry Shield · DShK · Dual Kamas · Flare · Machete · Minigun · Mortar · Prizefighters · Snowball