I recently purchased a Santa Rosa .20 R1 Carbine that has a chamfered front compression tube cap seam rather than the usual attempt at hiding the seam. Both the tube and the end cap are chamfered and obviously the seam was not meant to be hidden and is almost ornamental. The serial number is 1098xxx. I noticed the same seam on member SteveP-52s recently acquired R1 Laser and contacted him, his serial number is 1238xxx. I am going to guess this style seam was a temporary production variation as later versions went back to the hidden seam. So check your R1 and let’s see those seams.
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