My magpuls and steel mags wont insert or drop free when the upper is attached. Sumtin is funky with the upper
Have you emailed us to info@albertatacticalrifle.com ?
We've gotten a bit of a backlog of emails over the holidays and are pecking away at them as best we can, so if you have and I haven't responded to you there I'm sorry.
What's the trick with Gen3 .308 Pmags and the Modern Hunter? I couldn't find anything. Occasionaly have failure to feed with the XCR metal mags too