Optics

NEW FROM SHIELD PSD OPTICS: MORE GOOD THINGS

At Calibre Magazine, when we like a company, and we like their products, we always make a point of looking over anything they do that’s new.  So when Shield PSD told us they had something good they wanted us to...
Vortex Spitfire AR

VORTEX SPARC AR & SPITFIRE AR PREVIEW

Vortex's new SPARC AR and Spitfire AR optics promise to change the way people look at AR-15 optics, and more importantly, their risers. Due to their in-line layout, AR-15s and similarly constructed semi-auto...

HOW TO ZERO A RIFLE

Choosing the best zero for your rifle Here at Calibre we see a lot of information on how to zero your rifle. That’s important information, of course, but a lot of the time we notice that the articles on zero...

RANGEFINDING WITH MRADS

Most shooters, and definitely conscientious readers of Calibre magazine, are probably familiar with the term MOA, or minutes of angle. It comes up most frequently when describing the precision of a rifle; one m...

MOA EXPLAINED

We’ve all heard the term MOA bounded about the shooting community, but what does it actually mean and how does it relate to firearms? MOA is an acronym for Minute Of Angle, also known as Minute Of Arc, and i...

SHIELD RED DOT TORTURE TEST

In Dorset, England, a relatively small family-run company has quietly been making some of the most durable and highest-performing red dot sights around. Earning military contracts from the UK MOD for their work...

MDT PROJECT: PART 4

Up until now, Calibre's project rifle; a value-loaded used Stevens action we found online for $350 and mated to a precision Shilen stainless select match barrel before dropping into an MDT TAC-21 chassis system...

BUSHNELL ELITE LONG RANGE HUNTER

In the world of firearms, there is an unmistakeable link between technology developed for military applications, and the products developed for civilians. As outlined earlier in this issue, many of the bolt act...