The following are my italicized responses to some common AR-15 Questions.

Q – Is the .223 Remington round and the .556 NATO round the same?

A – No.  While they might appear similar, the .223 Remington is loaded to lower pressures and velocities than the .556 NATO round.

Q – Can I shoot the .223 round out of a barrel stamped .556?

A – Yes.

Q – Can I shoot the .556 round out of a barrel stamped .223?

A – No.

Q – What’s the main difference between the A1, A2 and A3 receiver?

A – The A1 receiver has a carry handle with the rear sight built into the handle.  It requires a tool for adjusting and is adjustable for windage only.  The A2 receiver has a carry handle with the rear sight built into the handle.  It is finger adjustable in increments for windage and elevation.  The A3 receiver is a flat top receiver with no carry handle.  It has a Picatinny rail mounted on the top for attaching optics.

Q – What is twist rate?

A – Twist rate is how long it takes the bullet to make 1 full rotation in the barrel.  As an example a 1/9 is 1 full rotation for every 9 inches of barrel.

Q – What is the military version of the AR-15 rifle?

A – The M16 rifle.

Q – What are some of the advantages of an AR-15 rifle?

A – They are flexible, accurate, reliable, have a proven performance record and have parts that are readily available  

Q – What is the ideal barrel length for an AR-15 rifle?

A – 16 inches. 

Q – Why are iron sights important?

A – Iron sights are often the primary sighting system and offer the quickest method to acquire a target at short distances.

Q – What size magazine is best and how many magazines should one have?

A – The 30 round magazine is best and one should generally have a minimum of 10 magazines.

Q – What’s better, plastic or railed handguards?

A – They are both good.  Plastic handguards are there to cover the barrel to prevent you from burning your hands.  If you’re a minimilist and do not want to add accessories plastic is the way to go.  Railed handguards also prevent you from burning your hands but have the added benefit of rails to allow the quick attachment of modular accessories such as flashlights and foregrips.  If you like adding accessories, then railed is the way to go.

Q – What are some good brands of AR-15 rifles?

A – Bushmaster, Rock River Arms and DPMS.

You can get a free preview of my first two post apocalyptic fiction books by clicking on the book cover images to the left of this blog post, on my blog page, which will take you to the Amazon.com website. Then you can click on the look inside option which will give you a free preview.  If my survival fiction books interest you; then consider purchasing them.  Book titles include American Rebellion Book 1 of the Revolution and American Rebellion Book 2 of the Revolution.

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Comments
  1. nvchad2 says:

    “What is the military version of the AR-15 rifle? The M16 rifle.”
    Is the M4 not the same platform as well? Just wondering because I’ve been telling people the AR15 is the civilian version of the M4. I hope I haven’t been lying to them haha.

  2. rmactsc says:

    The AR-15 is the civilian version of the M16. The M4 is a shorter, lighter version of the M16 🙂 I know; way too many acronyms.

  3. theinnerhaven says:

    I would state that the optimal barrel length depends upon application. Personally I prefer a barrel shorter than 16 inches. However, for most civilian use 16 inches is probably best especially since it could be tough to get the BATFE approval for shorter barrels at this time.

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