Practical guides to AR-15 fitment, optics, triggers and weapon lights, written for UK shooters. Filter by topic below, or email us if your question isn’t covered.
Streamlight
A host-first comparison of the Streamlight TLR range, from the TLR-1 and TLR-7 X to the TLR RM and TL-Racker. It explains what each series number and suffix means, compares verified lumen and candela figures, and covers batteries and lasers.
Pistol Optics
What a red dot footprint really is, how the full-size RMR pattern differs from the slim-slide RMSc pattern, the other patterns in the range that are neither, and when an adapter plate is the right answer.
Pistol Optics
Which pistol optics use RMSc, Holosun K, 507C/RMR, 509T and DeltaPoint Pro, where an adapter plate bridges the gap, and how to check the cut in your slide before you buy.
Weapon Lights
Host and mount rule out most of a lighting range before any other specification matters. A buyer's guide to choosing a weapon light in the order the decision happens: mount standard, size against the host, output, CR123A against rechargeable packs,...
Mounting
Bore height decides how your rifle comes up, whether your irons appear in the optic window, and how far low the round strikes up close. Here is what 1.54in, 1.63in and 1.93in actually mean, and which one suits your rifle.
Stocks
Collapsible AR-15 stocks come in two diameters and only one will fit your rifle. Here is how to tell which buffer tube you have before you order.
Straight Pull
Straight-pull ARs take the same furniture as any AR-15 — but one part catches people out. What fits, what varies, and how to check before you order.
