I'm surprised I couldn't find any comparison pics online, but basically looking at them side by side:
-The A&K's hand-guard is about an inch shorter in length
-With both in carbine configuration, the A&K's barrel is actually almost an inch longer (or at least it looks that way since the handguard is shorter)
-The A&K's externals are also noticeably of lower quality, especially when looking at the finish on the barrel. The PTS looks realistically metallic, the A&K is just flat black.
-The A&K is around half an inch shorter in height than the PTS
-You n