difference

like a .223 rem, .223 ai, .223 whyle chambers? And what performance differences is there over the standard chambering?

are they the same?

I have been looking for a SPS Tactical, all i can find is the SPS V. Aside from the barrel length what is the difference? Is the quality and different? Would you guys wait it out untill the Tactical comes around or just pick up a V? If i was to buy a V i would want to cut the barrel down a bit...

If so what's a good one? I've seen a couple different ones, but I don't want to buy one without knowing the quality. I've been looking at the dpms tactical grip. Better grips out there? Does it matter? BTW, I did a search and didn't turn up anything helpful and I couldn't find anything on...

I am looking @ the Lilja Barrel site and i see barrels that are 3 grove and some are 6 grove........what is the difference on how one shoots compared to the other? For example a 308-10" twist (3-groove or 6-groove) Also i can order from a 6 twist all the way to 16 twist.......the 6 twist would...

This is similar to another topic that is active right now but I didn't want to step on it. Is the cost difference worth it? Example: I just happen to be looking at picking up a Leupold Mk4 6.5-20x50 M1. This scope is going for $1250.00. The front focal version of this scope is going for...

How much would my groups improve if I was shooting with the gas off (hand cycleing the weapon) vs. gas on (semi auto)? I own a panther SASS .308 with heavy 18 inch barrel. And also can I reach out to 1000 with this short of a barrel and still kill something such as a deer? I know this isn't the...

For all you guys out there who do a lot of smithing, tell us all the differences exactly between a standard LA and a Magnum LA. We all know that the boltface is different, but how much difference is there in magazine box length, bolt length, ejection port length, action outside diameter, center...