P-Mags can be found for incredibly low prices, usually between $12-20 a piece, depending on the generation and whether you would like clear window cutouts to quickly view your remaining ammunition capacity. They are incredibly affordable and reliable. Magpul P-Mags have basically become the industry standard, and have even made their way into military service. Make sure to check on this when you do decide to purchase, and you may want to consider grabbing some additional mags for an easier time at the range. Most ARs will come with at least one magazine, though I have seen some that don’t. They are also great for suppressor use because you can adjust the gas pressure to make sure your rifle functions properly. These are typically not recommended for defensive use because they can sometimes affect reliability, but they are great for competition.Īdjustable gas blocks allow the user to regulate the amount of gas pressure sent back to the bolt for different ammunition loadings. One final consideration to make would be an adjustable gas block. If the rifle or upper receiver you are looking at already has a free-float handguard, it will already have the low-profile gas block installed.
#Buying colt ar 15 install
This is easy enough to install later on if you choose. If you want to install a free-float handguard, you will need to have a low-profile gas block. This is a solid starter option, especially if you only intend to use iron sights. Many starter AR-15s are equipped with a standard A2 front sight post and gas block. You will also want to take a look at the style of gas block used in the rifle. Unless you’re going for an extremely light-weight build, they are not the best choice, especially for your first AR-15. However, my suggestion would be to stay away from polymer lowers because they tend to have issues. There are also polymer receivers, which have come a long way in past years. Hammer-hardened forging tend to make the lower more durable and they are lighter weight because of less excess material, but with modern materials, a good 7075 billet lower is basically just as strong. This method takes longer and is more expensive but allows for more unique designs and patterns. This method is quicker and cheaper to produce and still leads to a quality rifle.īillet receivers are made by taking a single block of aluminum and a CNC machine milling out the lower.
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