The Single Action Shooters Firearms Checklist

Single Action Shooting, similar to other shooting sports, also have specific firearm requirements. If you’re still starting out in this sport, it’s time to learn what guidelines there are when it comes to your western style firearms.

Here is the single action shooters firearms checklist:

All Firearms:

  • All firearms to be used in Single Action Shooting must have an impact mechanism such as centerfire primers, rimfire primers or percussion caps. Any other type of firearm is illegal.
  • Internal modifications to your firearm is allowed granted that it cannot be seen when your firearm is at rest and do not affect the external operation (on conflict) with any other modification.
  • Modifications that change the process from an entirely manual operation to another style are illegal. This applies to all firing, coking, chambering or levering mechanisms.
  • All firearms are allowed to be repaired or restored to their original condition.
  • Replacement parts need to be the same as the original parts. Replacement parts that are otherwise are strictly prohibited.
  • Lanyards for hand guns and slings for long guns are allowed.


  • Hammers can be replaced with hammers of the same frame size.
  • Internal parts of the hammer can be changed.
  • Hammer stops are allowed.
  • The hammer travel distance is allowed to be adjusted.
  • Rear right notches on the revolver can be widened.
  • Hammer spur grooves may also be adjusted.


  • As long as industry limits are maintained, it is allowed to rebore, line or sleeve your barrels and chambers for approved calibres.
  • Original barrels may be replaced with new barrels of correct style.
  • Barrels are allowed to be shortened or crowned.
  • Rifle barrels must be at least 16 inches.
  • Rifle barrels can be adjusted to add mounting hardware.
  • Barrels may be altered to be similar to period-style sights.
  • Shotgun barrels must be at least 18 inches.
  • Internal choke tubes for shotgun barrels are allowed provided they don’t extend beyond the muzzle.
  • Heavy competition is allowed on revolver caliber firearms only.
  • Only barrels made of iron or steel are allowed.
  • Counter-weighting devices visible are not allowed.
  • Compensating ports are not allowed.


  • Triggers may be profiles.
  • Their position may be adjusted.
  • Trigger stops are allowed.
  • Shotgun trigger guards must be wrapped with leather or other similar materials.
  • Bending the trigger guard is not allowed.
  • Trigger shoes are not allowed.

Stocks and Grips:

  • It’s allowed to alter or replace the length or style of stock.
  • Carving, checkering or laser engraving is allowed on buttstocks, forestocks and revolver grips.
  • A permanent lace-on or slip-on recoil pad is allowed but only on the buttstock of rifles and shotguns.
  • Buttstocks are allowed to be changed but only to the style that was generally available from the original manufacturer.
  • Leather or any other similar material may be attached to the buttplate (for instance, the wrist or grip portion of the buttstock).
  • Leather grips or stocks are acceptable provided they follow the original shape of the grips or stocks of the firearm.
  • Contemporary grips, modern grips, grip tape and similar grips or stocks are not allowed.
  • Leather on a pump shotgun’s fore end is not allowed.
  • A slide on the leather cover is allowed provided it protects the offhand from barrel heat.