Here is a list of links you may find useful:

Shootingbags
Precision Rifle Services
Custom Precison Riflles
Precision Rifle
Smart Reloader
Deer-stalking.com
South Yourkshire Shooting Supplies
Raygill Clothing
Moochers Hunting
Long-Range.com
F Class Uk
Walker Rilfes
RG Rifles
Benchrest Central
Varmint Al's
Saubier.com
The CrowMart
The Varmint Hunters Association
Reloaders Nest
Precision Long Range Hunter
Predator Masters
Long Range Hunting
Accurateshooter.com
Varmints Den
Sinclair International
Modern Stalking