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Introduction Radian Weapons (AXTS) helped bring the AR-15 into the 21st Century with the introduction of their patented ambidextrous Radian Raptor Charging Handle. Not content to rest on their laurels, they have continued to push the envelope with the introduction of several new models incorporating several new patents. Each model brings interesting and innovative features to the lineup.  Before we get started, Radian Raptor charging handles all have several things in common.  Ea …

History The story of the M-16's procurement and the evolution of its components over time is fascinating to a gun-nut like me. The bolt carrier group (BCG) is an important part of that story.  As Eugene Stoner designed it, the BCG was originally chrome plated inside and out. This was an excellent finish for a component that would see harsh conditions especially considering the dirty nature of the rifle's newly patented "direct impingement" system.  Over time however, …

AR15 BCG finishes (l-r) Toolcraft Titanium Nitride, BCM BCG with Robar NP3+, Toolcraft Nickel Boron, Toolcraft Black Nitride, Colt BCG refinished in Chrome with Nickel Boron Gas Key, Toolcraft Diamond Like Carbon (DLC) Finish, Toolcraft Chrome Phosphate There are a wide variety of finishes available for AR-15 bolt carrier groups (BCGs). Each finish has its own unique color ranging from silver to gold to black and various shades of each. Let's compare three of the best black finishes a …

Diamond-Like Pedigree A Toolcraft Diamond DLC Bolt Carrier Group is, first and foremost, a Toolcraft BCG. This means that, if we knew nothing else, we know it has excellent materials, top notch workmanship and a Lifetime Warranty. Is there something that sets this particular bolt carrier group apart from the others in the lineup? Is there something that makes this BCG the best Toolcraft BCG? How about the best BCG ever?  Beyond the pedigree, there are 3 specific features that this BC …

Black Rifle Secrets Ever since it’s introduction as a space-age wonder rifle into the Vietnam conflict in the 1960's, the AR-15/M-16 has been surrounded by mystery and myth, legend and lore … and secrets. Some of today’s best kept secrets are guarded by Toolcraft Inc of Marion North Carolina. Toolcraft is a provider of bolt carrier groups (BCGs) to AR-15 Original Equipment Manufacturers (OEMs) and the U.S. Military. Toolcraft manufactures the carriers to manufacturer’s specific …