This should be in the modifications section. IMO I wouldn't waste money on a cylinder set nor the AR latch, nor the Sorbo. If you plan to go 450fps+ then a Sorbo is nice, but otherwise I don't really see the point much. Be careful with the Prowin. Some users report fitting/airseal issues. I'd stick to the KA unit instead.
Which brand steel rear sight, outer barrel set, and front sight do you plan to get, and why? Why replace something that ain't broken? Just curious.
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