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Trinity Force AR 15 upper parts by The history and development of the AR 15 has many interesting twists and turns that finally led it to its popularity that it has today. It had a few bad starts in the very beginning, yet over half a century later the same design and concept is still being used in active military service and enjoyed by the civilian market alike. Very few firearm designs enjoy this kind of popularity and longevity, so what makes the AR15 so special? Where did this infamous gun get its start? Let’s talk about that! The AR 15 gets its name from the Armalite Rifle Model 15. Contrary to popular belief as well as by misinformed gun control advocates, “AR” does not stand for “assault rifle.” It actually stands for “Armilite Rifle.”

Keymod gets its name from the slots in the system that look like keyholes. To use a keymod handguard, all you have to do is place the mounting lug in the keyhole and slide it to the narrower end to tighten your attachment securely to the firearm. It is extremely easy to use and nowhere near as heavy or bulky as the picatinny system. Overall, this system is probably the most familiar and the longest running system of them all. If the additional weight and bulk of the picatinny platform doesn’t bother you, then there is nothing wrong with this system and it is a tried and true design. You will be pretty much guaranteed mounting for just about any accessory and won’t need to spend extra for any parts. This is probably also the cheapest option out of all of them as well.

There are plenty of misconceptions when it comes to the actual steel used to create an AR 15 barrel. To make things a little less complicated, there are basically 7 different types of barrel steels used to make these barrels, and they can be divided into two categories: carbon and stainless steel. Carbon barrel steels include 4140 steel, 4150 steel, and chromium-molybdenum-vanadium (CMV) which is also called 41V50. The different types of stainless barrels include 410 stainless, 416 stainless, 416r stainless, and 17-4 PH stainless. Most shooters will not want to get into the fine details about the subtle differences between each steel, but the biggest question most people ask is whether they should buy carbon or stainless for their barrels. Discover more info on Black Rifle Depot AR 15 accessories.

10.5” 5.56 NATO Pistol Upper Assembly: If you’re still liking the idea of an AR pistol build but don’t like the idea of a super short 7.5” barrel, an obvious solution is the 10.5” 5.56 NATO Pistol Upper Assembly. This is a length where, ballistically, with the right ammo, it could make for a very mean little defensive AR pistol. You’re only adding 3” to the gun, but that length addition, in our opinion, bumps it out of ‘range toy’ category and into an area where you could seriously consider this as a trunk or behind-the-nightstand pistol, depending on your needs. Our 10.5” 5.56 NATO Pistol Upper Assembly has the same features as the 7.5″ 5.56 NATO Pistol Upper Assembly, and paired with one of our bolts, you have a very handy, reliable and practical AR 15 pistol. One caveat: Even at 10.5”, these upper assemblies are still loud. As long as you know what to expect going in…carry on.

For most handguards, the two most commonly used materials are polymer and aluminum. Both of these materials are very durable, and aluminum will usually going to be the stronger of the two. Aluminum can, however, emit a little more heat during an extended shooting session than a polymer handguard. Aluminum is much more resistant to heat, although it will heat up itself and can be hot under extreme conditions. If you do a lot of high volume shooting, aluminum is a great option for you. Polymer handguards will usually have a heat shield constructed of either steel or aluminum that will separate the actual polymer from the barrel. This helps dissipate the heat generated from the barrel, and there are also polymer handguards that will have a steel or aluminum framework to lighten them up and provide structural durability. Polymer does, however, have a lower melting point than aluminum. While it is super rare, under continuous and extreme firing, the heat from your barrel could warp or even melt the polymer handguard. Polymer does, however, provide a little more impact resistance than aluminum. Black Rifle Depot is a family owned and operated AR 15 Parts and AR 15 Accessories wholesale distributor based out of Bakersfield California. We offer a large variety of AR 15 Parts such as AR 15 Complete Uppers, AR 15 Barrels, AR 15 Bolt Carriers, AR 15 Handguards and AR 15 Lower Build Kits to customize your AR 15 Rifle from some of the top manufactures in the industry such as Aero Precision, Anderson Manufacturing, Faxon, Magpul Industries, and Odin works. With our continuous growing inventory and competitive prices, make Black Rifle Depot your one stop shop for AR 15 Parts and AR 15 Complete Uppers. Read extra info on