July, 18

AR-15 Cam Pin: The Key to Your Rifle’s Optimal Performance

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The AR 15 Cam Pin is an essential component of the popular AR 15 rifle. It plays a crucial role in the smooth functioning of this firearm and ensures that it operates efficiently. The cam pin is responsible for rotating the bolt inside the carrier, which eventually results in locking and unlocking of the bolt into place.

If you are an owner or enthusiast of AR 15 rifles, then understanding how this small but vital part works can help you maintain and improve your weapon's performance. Whether you're looking to upgrade your current cam pin or simply want to learn more about its functions, this article will provide all necessary information on what it does and how it works.

In this article, we'll explore everything there is to know about AR 15 Cam Pins – from their design and construction materials to their functions within a rifle system. So if you're interested in learning more about one of the most critical components in any standard-issue military rifle configuration or modern sporting rifles today, read on!

AR 15 Cam Pin: All You Need to Know

What is an AR 15 Cam Pin?

The cam pin in an AR-15 is a small metal component that works with the bolt carrier group. The bolt carrier group consists of the bolt, firing pin, extractor, and cam pin. The cam pin fits into a slot on top of the bolt carrier key and allows the bolt to rotate during each cycle of operation.

How Does It Work?

As mentioned earlier, when you fire an AR-15 rifle or carbine, it uses energy from expanding gases generated by burning gunpowder. This energy drives back the gas block that moves through your gas system until it pushes against your BCG (Bolt Carrier Group). Once this happens, your BCG sends its components – including its CAM PIN – flying into action.

During this time period where all these parts are put in motion at once thanks to said gas charge inside them driving their movement forward; one thing becomes evident: without something like our friend here (the CAM PIN) working properly within our Bolt Carrier Group Assembly (BCG), none of these other pieces will function correctly either!

Now let's take a closer look at what makes up this tiny but mighty component.


A common misconception about ar 15 cam pins is that they are interchangeable between different models or brands. However, each manufacturer designs their own specific version with unique dimensions and tolerances.

That being said there are two main types available today:

  1. Standard Cam Pins
  2. Enhanced Cam Pins

Standard-size ones come standard in most rifles such as Colt or Bushmaster products – while enhanced versions offer some benefits over stock models like smoother cycling without sacrificing reliability due largely due increased durability which comes from better materials used for construction purposes like nickel boron coated steel instead regular carbon steels often found on cheaper / lower quality alternatives.

Why Choose Enhanced Over Standard Size?

If you're looking for a cam pin upgrade, the enhanced version is a great choice. Here are some benefits of choosing this type over the standard size:

  1. Durability: Enhanced cam pins are constructed with more durable materials such as nickel boron coated steel. This makes them less prone to wear and tear and ensures they last longer.
  2. Smoother Functioning: Because enhanced cam pins have smoother surfaces than standard ones, they tend to cycle more smoothly during firing.
  3. Better Lockup: Enhanced cam pins have tighter tolerances than standard ones, which provides better lockup between the bolt carrier group and upper receiver.

How to Install an AR 15 Cam Pin

Installing your AR-15's CAM PIN might seem like a daunting task especially if you're new to firearm maintenance but it's actually relatively simple with little practice required!

Here’s how:

  1. Ensure that your rifle is completely unloaded before you do anything else!
  2. Separate your BCG from the rest of your rifle
  3. Locate where on top of said BCG that Cam Pin will be inserted into
  4. Insert it into said slot in either direction – there should be no difference so don't worry about orientation or anything just yet!
  5. Re-insert entire assembly back into rifle (be sure everything lines up correctly!)

It’s really that easy!


In conclusion, an ar 15 cam pin plays an essential role in ensuring smooth operation of your weapon by allowing proper rotation of its bolt carrier group during each cycle – which ultimately leads increased reliability accuracy overall performance capabilities when properly maintained or upgraded through use enhanced models mentioned above.

Thankfully installing one has never been easier thanks largely due our step-by-step guide provided here today!


What is an AR-15 cam pin and what does it do?

The AR-15 cam pin is a small but essential component that plays a vital role in the proper functioning of the rifle. It's located at the heart of the bolt carrier group, where it serves to rotate the bolt as it moves back and forth during firing.

Specifically, when you pull on your gun’s trigger, this action releases tension in a compressed spring within your gun’s receiver. This triggers internal mechanisms that cause your bolt to move backwards into its unlocked position which enables spent cartridges to be ejected before chambering new ones for firing.

As an integral part of this process, The cam pin rotates inside of its slot in time with each movement cycle from one side to another; effectively locking and unlocking (with help from other internal mechanisms) as needed along with reciprocating motion) – thanks largely due directly upon pressure exerted on such components by springs throughout various points all over said assembly such as those placed behind parts like these pins themselves or else located elsewhere within them.

How often should I clean my AR-15 cam pin?

It's always essential to keep any firearm components clean for optimal performance and longevity. When considering cleaning frequency with regards specifically towards Ar 15 Cam Pins however some important factors come into play:

Firstly how frequently are you using your rifle? If you only use it occasionally then cleaning might not be necessary after every use but if shoot regularly then more frequent maintenance would be beneficial.

Secondly what type(s) of ammunition are being used? Some ammo types will produce more fouling than others so knowing what kind you're using can be helpful when determining cleaning intervals

Lastly how dirty does everything look afterwards? If there seems like dirt accumulates excessively or faster than expected around different areas including up close examination under magnification while taking apart especially critical assemblies like bolts carriers groups etc.. well maybe time has come get out your cleaning kit and take care of it.

In general, however, most firearm experts recommend thoroughly cleaning your AR-15 cam pin after every 500 to 1000 rounds fired. This ensures that any built-up dirt or debris is removed and prevents the accumulation of wear and tear that can lead to malfunctions down the road.

How do I replace an AR-15 cam pin?

The process of replacing an AR-15 cam pin is relatively straightforward. First, ensure that your rifle is unloaded and remove the bolt carrier group from the upper receiver.

Next locate where The Cam Pin sits within its slot on one side (this may require removing some other components for better visibility) then once identified push this specific part outwards using a punch tool or simply tapping lightly with hammer until movement has been achieved enough for removal from inside said slot entirely.

After you have taken out old Cam Pin clean internal areas around it before upgrading them by adding new component which should be done in reverse order as removal i.e sliding inward whilst ensuring proper alignment so as not to create further problems down line like excessive wear over time due improper installations.

Finally reinsert all other assemblies in original orientation/location based upon manufactures specs making note visually how everything fits together correctly into its respective slots/sockets etc… afterwards perform functional check fire with dummy ammunition example snap caps loaded but un chambered cartridges just double checking all systems operational effectively having completed maintenance successfully

It's important always refer back towards owner’s manuals when conducting procedures like these whenever possible if unsure about best practices consult with a professional gunsmith local gun shop who can provide assistance based upon their knowledge experience related to such firearms specifically prior starting work yourself independently without certainty regarding expertise level needed.

Can I use any type of lubricant on my AR-15 cam pin?

When it comes to selecting lubricants for use in firearms there are plenty available options – each with their own pros/cons, and many firearm owners have their own personal preference.

That being said, for AR-15 cam pins specifically it's essential to use lubricants that don’t build up residue over time within small internal areas around the component. This is important because anything that clogs moving parts can cause malfunctions misfires or worse.

In most cases, dry lubricants like molybdenum disulfide or graphite are ideal for use on AR-15 cam pins because they offer excellent long-term protection without leaving behind any sticky buildup. Some people also prefer using greases which may help better than liquids however caution should be taken with too much application thereby avoiding any such excess accumulation of materials.

Ultimately though best practice will vary depending upon individual preferences as well as specific environmental conditions operating in where firearms are being used frequently so keep this mind when selecting your preferred option ensuring proper application levels necessary your specific firearm type & usage requirements met accordingly.

What happens if my AR-15 cam pin fails?

If an AR-15 cam pin fails – serious problems could arise leading to potentially catastrophic consequences such as jamming and even complete malfunctioning of the rifle itself rendering it inoperable until repairs completed successfully by a qualified gunsmith or other professional capable handling these types situations effectively & efficiently

One common symptom of a failed Cam Pin might include erratic cycling during firing (or inability cycle altogether) since after all this particular component plays integral role regarding locking unlocking bolts back forth movement cycles enable proper ejection spent cartridges loading fresh ones chamber for subsequent shots etc..

The bottom line? Regular maintenance including inspection cleaning replacement critical components at appropriate intervals combined with sensible shooting habits always recommended prior experiencing issues related firearms operation – allowing you maintain utmost confidence knowing that both yourself others dependent upon reliable tool safe effective handling each every time pick up useful equipment like an Ar 15 Cam Pin .

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