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Heavy Cartridge


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Guest cookoff013

Could someone explain why a heavy load will break the gun in ? If you intended to use the gun with 32g loads would you have to chuck some 42's through it ? :rolleyes::|

Its to cycle the action with authority with either the supposed higher volume of gas at the #gas ports or recoil. Big loads need lots of gas to get them going. Most economic clay loads are 15grains powder. Whereas most recipes for 42g loads are 25-30grains. When 30 grains of powder burns it produces 30grains of gas.

Autos do have a break in period. Where running parts get run in, or the gas pistons / seal need to be used fully to ensure the active components can cycle fully / travel etc.

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Its to cycle the action with authority with either the supposed higher volume of gas at the #gas ports or recoil. Big loads need lots of gas to get them going. Most economic clay loads are 15grains powder. Whereas most recipes for 42g loads are 25-30grains. When 30 grains of powder burns it produces 30grains of gas.

Autos do have a break in period. Where running parts get run in, or the gas pistons / seal need to be used fully to ensure the active components can cycle fully / travel etc.

 

Some 28g loads can be quite jarring, I understand the principle but surely just getting on with it will get things moving, that's what we've always done after all. Can you not sit down and hand cycle it with a bit of attitude ?

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Guest cookoff013

Hand cycling is not giving the action a workout. Its just the return spring.

 

@UD

So, you are saying a gun capable if 3.5" shouldn't fire 3.5" until firing x shells?

 

I think we should stop comparing semiautomatic shotguns to motor cars or toast.

 

28gram carts can recoil more than 32g loads. I've done it.

You can even have 21g loads recoil more than a 32g load!

 

So maybe it can also be broke in with fast 28g loads.

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