ASTM F2271-03

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An American National Standard
Designation: F2271 – 03
Standard Specification for
Paintball Marker Barrel Blocking Devices
This standard is issued under the fixed designation F2271; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This standard is intended to outline basic performance requirements for barrel blocking devices,
commonly known as “barrel plugs.” A barrel blocking device is a critical piece of safety equipment
used in the sport of paintball.
Paintball is a sport that, like all sports, has intrinsic hazards. These hazards include being hit by
paintballs. Protective equipment cannot eliminate all injuries but will substantially reduce their
severity and frequency.Abarrel blocking device is an additional safety device that, when meeting this
standard and properly used, can substantially reduce the severity and frequency of injuries. Paintball
marker barrels are not all the same inside diameter, thus necessitating performance specifications for
barrel blocking devices that match the barrel blocking device to a barrel diameter. This specification
is written within the current state-of-the-art of paintball marker barrel and paintball barrel blocking
device technology.The intent is to revise this specification whenever substantive information becomes
available which justifies revising existing requirements or adding new requirements.
1. Scope F1979 Specification for Paintballs Used in the Sport of
Paintball
1.1 This specification covers paintball barrel blocking de-
vices that may be inserted or otherwise function to prevent a
3. Terminology
paintball from leaving the muzzle or the confines of the barrel
3.1 Definitions of Terms Specific to This Standard:
blocking device intact.
3.1.1 Paintball Marker Terms:
1.2 The values stated in SI units are to be regarded as the
3.1.1.1 barrel—that portion of a paintball marker through
standard. The inch-pound units given in parentheses are
which the paintball is discharged.
provided for information only.
3.1.1.2 barrel blocking device—a muzzle blocking, safety
1.3 This standard does not purport to address all of the
device that prevents an intact paintball from being discharged
safety concerns, if any, associated with its use. It is the
from the muzzle or leaving the confines of the barrel blocking
responsibility of the user of this standard to establish appro-
device. The device is often referred to as a barrel plug.
priate safety and health practices and determine the applica-
3.1.1.3 muzzle—the end of the barrel at which the ball exits
bility of regulatory requirements prior to use.
the barrel.
2. Referenced Documents 3.1.1.4 muzzle diameter—the inside barrel diameter as mea-
sured at the muzzle.
2.1 ASTM Standards:
3.1.1.5 paintball—a spherical ball, commonly with a diam-
eter of 17.3 mm (0.68 in.), comprised of a shell and a fill,
This specification is under the jurisdiction ofASTM Committee F08 on Sports
designed to be expelled from a paintball marker and conforms
Equipment and Facilities and is the direct responsibility of Subcommittee F08.24 on
to Specification F1979.
Paintball and Equipment.
3.1.1.6 paintball marker—a device specifically designed to
Current edition approved June 10, 2003. Published June 2003. DOI: 10.1520/
F2271-03.
discharge paintballs. The device is sometimes referred to as a
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
paintball gun.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3.1.1.7 standard ambient temperature (SAT)—used to de-
Standards volume information, refer to the standard’s Document Summary page on
scribe a substance at a temperature of 25 6 2°C (77 6 4°F).
the ASTM website.
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F2271 – 03
4. Significance and Use 7.2.3.2 Paintball storage and the non-test handling shall be
done at a relative humidity below 65 % and at SAT.
4.1 This specification establishes performance requirements
7.2.3.3 Paintballs shall be conditioned in their original
and test methods to provide a reasonable degree of safety in the
sealedcontainerforatleast4hatthehumidityandtemperature
normal use of barrel blocking
...