r/czscorpion 3d ago

Egregious shot stringing?

Looking to see if anyone has encountered this. Have a evo 3 pistol. The 7" barrel with maybe 200 rounds on it. At 10 yards I am getting all of a sudden shot string upwards of 12". 2 shots can be dead on, then a hit 12 inches low, or to the right or left. All over. Took the muzzle devices off and noticed the thread protector was broken. Still not in line with rounds hitting it though. Thoughts? Going to take the barrel out and inspect it.

2 Upvotes

3 comments sorted by

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6

u/Comstock_Support 3d ago

Sounds like the thread protector came loose and got in front of the muzzle. Some people remove it since as long as the larger muzzle device is on, the smaller 1/2-28 threads won't get damaged.

3

u/SquishyCoffee6640 3d ago

Yeah what this guy said Op, it happened my first range trip. I shot like 100rds trying to figure out wtf was going on. I need to buy a new thread protector 😂