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WE ASSUME NO LIABILITY OR RESPONSIBILITY FOR ANY PERSONAL INJURY OR DAMAGE INCURRED BY ABUSE, MISUSE, OR ALTERATIONS MADE TO THIS BARREL(S) AFTER IT LEAVES OUR FACILITY. FURTHER, WE ASSUME NO LIABILITY OR RESPONSIBILITY FOR ANY INJURY OR DAMAGE INCURRED THRU THE FIRING OF HAND-LOADED AMMUNITION IN THIS BARREL(S), OR FIRING OF AMMUNITION, REGARDLESS OF THE SOURCE, NOT MADE SPECIFICALLY FOR THE CHAMBER OF THIS BARREL(S). ANY MODIFICATIONS OR ALTERATIONS PERFORMED ON THIS BARREL(S) BY ANYONE OTHER THAN PREFERRED BARRELS WILL VOID ANY AND ALL GUARANTEES/WARRANTIES, WRITTEN OR IMPLIED.
BARREL BREAK-IN & CLEANING
Shoot one round and clean for the first two rounds individually. Look to see what the barrel is telling you. If are getting little to no copper out of it, shoot the gun 4 – 5 round groups and then clean. If the barrel cleans easily and shoots well, we consider it done.
If the barrel shows some copper or is taking a little longer to clean after the first two shots, shoot a group of 3 rounds and clean. Then a group of 5 and clean.
After you shoot the 3rd group and 5th group, watch how long it takes to clean. Also, notice your group sizes. If the group sizes are good and the cleaning is getting easier or is staying the same, then shoot 4 – 5 round groups.
If fouling appears to be heavy and taking a while to clean, notice your group sizes. If group sizes are good and not going sour, you don’t have a fouling problem. Some barrels will clean easier than others. Some barrels may take a little longer to break in. Remember the throat. Fouling can start all the way from here. We have noticed sometimes that even up to approximately 100 rounds, a barrel can show signs of a lot of copper, but it still shoots really well, and then for no apparent reason, you will notice little to no copper and it will clean really easy.
This is meant as guidelines only. There is no hard and fast rule for breaking in a barrel.
Always use a good quality, 1 piece cleaning rod (such as Dewey, Boretech, etc…). If you use a brush, we recommend one caliber smaller or an old worn-out one. Roll a patch around the brush. Always push the brush, Breech to Muzzle. Remove the brush before pulling your rod back through! NEVER pull the brush back over the crown. More damage to a good barrel is done from cleaning than actual shooting. The first to suffer is the crown. The crown is the last thing the bullet touches when it leaves the gun. Any damage here affects accuracy no matter what.
- Good 1 piece quality cleaning rod.
- Nice cotton patches
- Don’t drag the brush back over the crown!
Never mix your solvents! Either in a jar or in the barrel, unless you are a chemist and know how they are going to react with one another and with the steel. Play it Safe.
PREFERRED BARRELS WARRANTIES ALL BARRELS WE PRODUCE TO BE FREE OF DEFECTS IN WORKMANSHIP AND/OR MATERIALS. IF NOT FULLY SATISFIED WITH WORKMANSHIP OR ACCURACY ISSUES, RETURN THE BARREL AND WE WILL PERFORM A THOROUGH INSPECTION OF THE BARREL. WE WILL CORRECT ANY FOUND DEFECT TO YOUR SATISFACTION AND IF NECESSARY, REPLACE THE BARREL. WORK PERFORMED ON THE BARREL FOR ANY REASON(S) DONE BY ANY OTHER THAN PREFERRED BARRELS VOIDS ALL WARRANTIES.
Be EXTREMELY CAUTIONS when working up and firing hand-loaded ammunition. Always start with a light load as shown in a reputable reloading manual. As soon as any sign of excessive pressure is encountered, reduce your load immediately to a safe level. If you are not experienced in handloading, make certain that you acquire the necessary expertise before proceeding. Inspect each piece of brass to ensure your brass is safe and free from any defects such as cracks in the neck, shoulder, or base. Make sure that each piece of brass is trimmed to the proper length and that all case dimensions are correct for your particular barrel(s) chamber prior to loading. The specific caliber of your barrel(s) will be marked clearly on the left side of the barrel.
Though we do not guarantee accuracy, we expect the prefit barrels we produce and sell to be capable of producing 1 MOA, consisting of 3 shots at 100 yards.
- Proper barrel break-in.
- Barrel kept free from copper, powder, lead, or any other type of “fouling”.
- Use of Scope with sufficient magnification for target work.
- Properly worked up load development.
- Barrel free from dings, damaged crown, rust, pitting, or any other damage to the bore.
- Action must be in good working condition with proper head space.
- Use a Steel Scope.
Trouble Getting Groups?
If you are convinced that your prefit barrel is not capable of producing accurate groups of 1 MOA, send us your barrel (complete gun if you like). We will conduct a thorough inspection and if needed, load testing thru a 3rd party. Note: Having to go through a 3rd party can sometimes take up to 8 weeks for test results to get to us. We understand your urgency in getting results and the issue resolved. We will do our best to make sure this happens as quickly as possible. We can only provide an estimate of how long it will take and not guarantee it.
If we are successful at producing 1” groups or under, you will be required to pay Preferred Barrels the $100.00 testing fee. We will return your barrel complete with targets and load data. If we are not successful in obtaining such accuracy, we will build you a new barrel to the same specifications, free of charge.