Basic fact, Russia cannot out produce 27 co7ntries with GDPs far larger - and able to outbid them on the world market for weapons - or sanction those that seem willing to supply them..
https://www.defensenews.com/smr/reag...ordinary-rate/
Russia burning through ammunition in Ukraine at ‘extraordinary’ rate
https://www.defensenews.com/pentagon...drains-stocks/
Army plans ‘dramatic’ ammo production boost as Ukraine drains stocks
https://www.defensenews.com/global/e...rt-to-ukraine/
Nordic nations may pool their growing military support to Ukraine