Longer Inner Barrel for My SIG 552
I want to get a longer inner barrel for my SIG 552 so that I can get better range and accuracy. I'm looking at the Prometheus 6.03 EG Barrel For TM Type 89/VSR-10 (433mm). The length of my silencer is just enough to cover it completely. But can I use this inner barrel on my SIG 552 and will the notches on it be the same as my original inner barrel?
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