GBB mag GasRoute spacer
Washer for GasRoute of GBB magazine. In some cases, a very desirable helper. The washer is inserted between the GasRoute and the magazine, thus achieving a better seal between the GasRoute and the piston of the GBB replica.
ATTENTION: In some cases, the spacer may be undesirable, installation is recommended only in necessary cases, not preventively!
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