A bit of an update on this new collated attachment for the Makita drywall gun, at first I did find the spring was a bit stiff but now that a couple boxes...
Makita 18V Brushless Drywall Screwdriver Collated Attachment - DFS452 - Body On 88381860192 | eBay
Senco DS55-M1 Collated Attachment for Makita Screw Guns 9Z2021N
Makita DFR551RTJ 18V Li-ion LXT Brushless Auto-Feed Screwdriver Complete with 2 x 5.0 Ah Batteries and Charger Supplied in a Makpac Case : Amazon.co.uk: DIY & Tools
Makita DFR551Z Cordless18v Brushless Auto Feed Screwdriver – Bell Donaldson Steele