Finding The Correct Barrel Twist Rate
Matching bullet weight to rifle-barrel twist is part art and part science, but all-important.
Pushing The Limits: The Long Range AR-15
The AR-15 is one of America’s most-popular firearms. But can it reach out and touch targets out beyond 1,000 yards?
First Look: Dead Air Silencers’ Dedicated 5.56 Suppressor
Designed to be lightweight and compact, yet stand up to the rigors of hard use.
The Complete Guide to AR-15 Cartridges
With all of the chambering options available for the AR-15 platform, which one is the best? The answer is: It depends.
7 Best New Cartridges for Long-Range Precision
The interest in long range precision shooting continues to rise; it seems like everyone wants to ring steel targets that are 10 football fields away. Here's a look at seven new cartridges that are great for long-range precision.
First Look: Primary Arms Optics GLx 4-16x50 mm Riflescope
Primary Arms Optics recently introduced a new long-range optic, the GLx 4-16x50 mm riflescope.
Building a 224 Valkyrie AR-15
Now that 224 Valkyrie has been established, SI Managing Editor Jay Grazio started experimenting with this round in his latest rifle build.
Review: Samson Manufacturing SXS Handguard & DMR Scope Mount
Don’t overlook Samson Manufacturing for critical components in your next AR-15 build.
5 Top Loads for the 224 Valkyrie
The 224 Valkyrie is a revolutionary cartridge new to the AR-15 world, but what kind of ammo options do shooters of this round have? Check out these top five options.