Take a look at Ruger's latest piston offering dubbed the SR-556CLA. The "C" is for carbine and the "LA" is for light adaptive rail. This one's very similar to the SR-556C with the differences being the forend itself and the way the forend is attached to the barrel. The CLA uses two large...

I've been shooting my SR556C rather regularly in the year or so I've owned it and just reached the 5,000 round mark. Most of this has been on semi- but I have fired several hundred rounds of this on a select fire lower. In all this time, the gun has been accurate and reliable with the only...

Well It happened. http://www.ruger.com/products/sr556/specSheets/5909.html http://www.ruger.com/products/sr556/models.html Still same old SAMMI and 1 in 10 twist with 6 grooves...Don't shoot tactical loads or hot hand loads in this one people... Other wise its a start...and is capable of a...