Barrels or chambers may be rebored, lined, or sleeved to any of the approved calibers or
gauges for that particular firearm provided industry safe limits are maintained.
• Original barrels may be replaced with new barrels of correct styles (e.g., round, octagon,
half-round) for that type of firearm.
• Barrels may be shortened and/or crowned.
• Rifle barrels must maintain a length of at least 16 inches.
• Rifle barrels may be altered to accept mounting hardware for an alternative tube magazine
configuration and capacity appropriate to the model of firearm being altered.
• Barrels may be altered to accept period style sights as described within the Sights Section.
• Shotgun barrels must maintain a length of at least 18 inches.
• Shotgun barrels may have internal choke tubes installed provided they do not extend beyond
the muzzle.
• No heavy competition or “Bull Barrel” is allowed on revolver caliber firearms.
• Barrels must be made of steel or iron only.
• Visible counter-weighting devices are not allowed.
• Compensating ports are not allowed