Particle Spool is common heavy weapon ordnance in Borderlands 4 manufactured by Maliwan. It is obtained randomly from any suitable loot source.

Special Weapon Effects

• Overload – Directly damaged enemies explode for additional Damage after a delay.
• Speed Loader – Fire Rate is increased by 30%.

v • e Maliwan manufacture in Borderlands 4 Gear Common Fence GateHaute ShotHoundstoothPremiereRefresherStanchionTrendsetter Legendary AssuitBlood AnalyzerElpis StarExtra MediumFashionistaGeiger-RoidIconLaméMaestro Pandoran MementoToile Weapons Common C-BeamCesium SpoolCloudburstEphemerisEyewallFractusGaleforceGustfrontHailspikeMidheavenMonsoonMuon LanceNeutrino StreamParticle BlasterParticle SpoolPlasma GrenadePrisma-BlasterPrisma-CutterPrisma-LasPrisma-SpoolRainbandSquall-LineStelliumSupercellSynastryTransitVertexWindshear Legendary Asher's RiseBottled LightningBroken WingsComplex Root Destructo DiscoFlash CycloneGamma VoidIchorKaleidosplodeKatagawa's RevengeKickballerMantraMatador's MatchOhm I GotPlasma Coil RecursiveReminisceSweet Embrace Pearlescent Conflux Juliet's Sparkle

v • e Ordnance in Borderlands 4 Grenades Common EXPLODER Frag Grenade Impact GrenadePlasma GrenadeReaver GrenadeSatchel ChargeSeeker Throwing Knife Legendary Barb'araBismuth-Tipped DaggerBlockbusterBuoyBuzz Axe ChaumurkyCountermeasureDestructo DiscoFaulty DetonatorFirepotFuseJellyRecursiveSho KunaiSkullySlippySpinning BladeSwarmTransmitterUAVUrchinWaterfall Heavy Weapons Common Autocannon GolubGusKukushkaLebedOotkaPetuchPopugaiSinitsaSolovySorokaYastreb Disc AdzeChiselDrawshaveGraverMattockRaspRazor SlickSpokeshaveSurformTwybil Energy beam Auspex BodementHarbinger Herald Omen OracleOvateProphecySageScryerSibyl Energy bolt C-BeamCesium SpoolMuon LanceNeutrino StreamParticle BlasterParticle SpoolPrisma-BlasterPrisma-CutterPrisma-LasPrisma-Spool Energy orb CloudburstEyewallFractusGaleforceGustfrontHailspikeMonsoonRainbandSquall-LineSupercellWindshear Gatling gun BlastpipeBloomeryBoiler CoalashHammerscaleOilwickRushlightSmeltmillSpotweldSteelburnerSuperheater Rocket Launcher Ba-DoinkHoney BunchesMystery MeatPyre FireRoly-PolyRoot'n'TootShoot ChuteSpew CrewThreeway TonguewagTwinkle Toes Rocket Pod Dead SpreadDeep SeatDrunk SkunkLitter SpitterNaughty NellyPeek SeekerQuick WickRainmaker Rocket SocketSplit SitterWhiff Sniff Legendary Atling GunBottled LightningDisc JockeyFlak CannonGamma VoidHeimdahlIchorJetsetterRavenfireSidewinder SprezzaturaStreamerTinged Inkling