BlackWatch
CGN Ultra frequent flyer
Having held an MRR and a Danish iur with a 10 inch barrel installed in it... the weight difference is noticeable. The mrr is much lighter. Sadly I don't know the numbers. Just going by feel.
I don't see there being much weight different between Danish to British IUR for 15.7 to 15.7.
Thanks
I'll probably wait for the MRR uppers to hit the market next year. But this is tempting. Patience is not one of my virtues.