Number of Locking Points: GR2 & GR3 have 2 (4 cams total), GR4 & GR5 have 3 (6 cams total)
The new lock cams have a Allen key hole in them which when you turn it will move the cams in and out approximately 1-2mm to adjust the window compression
The gearboxes are stamped Maco BS22 (for the 22mm backset version) or Maco BS20 (for the 20mm backset version)
Tip: If your lock has shootbolt ends you may actually have the newer Mach3 Mspag telescopic range which at first glance looks familiar to this listing. Search for Maco Mach 3 Mspag to view.
Maco Rail upvc window lock mechanism. The window lock rod has mushroom lock cams for high security locking. The lock rod has either Maco GR.2 400 GR.3 600 GR.4 800 GR.5 100 stamped on the faceplate of the upvc lock rods.
Orders for stock items received by 1pm (Mon – Fri, excluding bank holidays and holiday shutdowns) will be dispatched the same day by Royal Mail or Carrier. We also do our best to despatch any orders received after 1pm on the same day also, we just can’t guarantee orders received after this time will be dispatched the same day. Orders received on a Friday may be delayed by the weekend for delivery.
We deliver across all countries, with estimated arrival times as follows:
UK Mainland: from next day, up to five working days depending on chosen shipping method
Scottish Highlands: 3-5 working days
Northern Ireland, Isle of Man and Isles of Scilly: 3-5 working days
Republic of Ireland: Varies
Channel Islands: 3-5 working days
Europe: from 3-5 working days, up to 2-3 weeks depending on distance from UK
Rest of the World: 2-3 weeks
To see more detailed information and a full breakdown of our courier services we use, please click here.
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