1、Designation:F308514(Reapproved 2018)An American National StandardStandard Specification forAir Soft Gun Barrel Blocking Devices1This standard is issued under the fixed designation F3085;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision
2、,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis standard is intended to outline basic performance requirements for barrel blocking devices.Abarrel block
3、ing device is a critical piece of safety equipment used in the sport of air soft.Air Soft tactical games are an activity that,like all sports,has intrinsic hazards.These hazardsinclude being hit by air soft projectiles.Protective equipment cannot eliminate all injuries but willsubstantially reduce t
4、heir severity and frequency.A barrel blocking device is an additional safetydevice that,when meeting this standard and properly used,can substantially reduce the severity andfrequency of injuries.Air Soft gun barrels are not all the same inside diameter,thus necessitatingperformance specifications f
5、or barrel blocking devices that match the barrel blocking device to a barreldiameter.This specification is written within the current state-of-the-art of air soft gun barrel and airsoft barrel blocking device technology.The intent is to revise this specification whenever substantiveinformation becom
6、es available which justifies revising existing requirements or adding newrequirements.1.Scope1.1 This specification covers air soft gun barrel blockingdevices that may be inserted or otherwise function to preventan airsoft projectile from leaving the muzzle or the confines ofthe barrel blocking devi
7、ce.1.2 The values stated in SI units are to be regarded as thestandard.The inch-pound units given in parentheses areprovided for information only.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standar
8、d to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Pri
9、nciples for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2F2654 Specification for Airsoft Gun WarningsF2679 Specification for 6 mm Projectiles Used with A
10、irsoftGunsF2748 Specification for Airsoft Guns3.Terminology3.1 Definitions of Terms Specific to This StandardAir SoftGun Terms:3.1.1 air soft gun,na device specifically designed todischarge air soft projectiles conforming to SpecificationsF2654 and F2748.3.1.1.1 DiscussionThese devices may operate i
11、n a com-bination of discharge modes depending on the design.3.1.2 air soft projectile,na spherical ball,commonly witha diameter of approximately 6 mm made of a molded polymerand designed to be expelled from an air soft gun and conform-ing to Specification F2679.3.1.3 barrel,nthat portion of an air s
12、oft gun throughwhich the 6 mm projectile is discharged.1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.27 on Airsoft.Current edition approved June 1,2018.Published August 2018.O
13、riginallyapproved in 2014.Last previous edition approved in 2014 as F3085 14.DOI:10.1520/F3085-14R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Docume
14、nt Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principl
15、es for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.4 barrel blocking device,na safety device that pre-vents an air soft from being accidentally discharged from themuzzle of the air soft gu
16、n or leaving the confines of the barrelblocking device.3.1.5 clearing rod,na device used to assist in freeing airsoft projectiles jammed or trapped inside an air soft gun barrel.3.1.6 discharge mode,na mode that controls the numberof air soft projectiles discharged per trigger cycle.3.1.7 fully-automatic air soft gun,nan air soft gun thatdischarges when the triggering device is actuated and continuesto discharge until the trigger returns to its reset or recycleposition.3.1.8 muzzle,nthe end of t
