1911 question on compensators and suppressors

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The design has the barrel pop up to unlock the barrel. Does adding weight on the front of the barrel interfere with operation. Does it slow down the cycle or cause wear in the camming mechanism or any other ill effects?
 
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The design has the barrel pop up to unlock the barrel. Does adding weight on the front of the barrel interfere with operation. Does it slow down the cycle or cause wear in the camming mechanism or any other ill effects?

From my experience with compensated 10mm and 45 1911s the recoil springs need to be about 5 lbs lighter for the gun to cycle properly - especially with light steel plate loads run in the same guns with standard barrels. At least for the barrel/comp combination I have been using for the past 30 years.

The above two guns have about 30k to 50k rounds through them and really don't show any excessive wear from having the compensators. They do absolutely have some wear from being shot a lot though.
 
Devices such as compensators or suppressors attached to the barrel add mass to the barrel. This extra mass will slow the unlocking process during recoil. Odds are you will have to use a lighter recoil spring in order to regain extraction and ejection reliability. How much lighter will depend upon the compensator or suppressor.
 
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