Designation:F2574−06(Reapproved2014)AnAmericanNationalStandardStandardSpecificationforLowVelocityProjectileMarker1ThisstandardisissuedunderthefixeddesignationF2574;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverslowvelocityprojectilemarkers(hereinreferredtoasLVPmarker)thatpropelalowvelocityresilientmaterialprojectile(hereinreferredtoasLVRMprojectileasdefinedinSpecificationF2573)bymeansofenergyreleasedbycompressedair,compressedgas,oracombinationthereof,withvelocitynottoexceed53.34m/s(175ft/s).1.2LVRMprojectilesaremadeofaresilientmaterialandhaveadiameternosmallerthan20mm(0.7874in)andnogreaterthan30mm(1.18in.).ThehardnessoftheLVRMprojectileistobenogreaterthan75Shore00.TheweightoftheLVRMprojectileisnottoexceed4.0g.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F1750SpecificationforPaintballMarkerThreaded-PropellantSourceInterfaceF1776SpecificationforEyeProtectiveDevicesforPaintballSportsF2573SpecificationforLowVelocityResilientMaterialProjectile2.2ANSIStandard:3Z535.1SafetyColorCode3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1auto-trigger—triggerthat,whenheldinthedischargeposition,willautomaticallycausetheLVPmarkertodischargewhenthepumporboltactionismanipulated.3.1.2backstop—objectintendedtostopaLVRMprojectile.3.1.3barrel—thatportionofaLVPmarkerthroughwhichtheLVRMprojectileisdischarged.3...
