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I lvoe my M4, I also have the M203 Gernade attachment as well. I have never had it jam, and the parts are easy to replace if in a crunch. It is the MP choice weapon as well as Infantry, due to the collapsable but stock for building and room clearing. WIth the burst selection, you can laydown a continous fire while putting the steel where it counts.

QUICK ACTION.

I bought an M4 due to the workmanship and relability of the M16 I carried in the Army. I could have gotten cheaper, but Colt was the only way I wanted to go. This should be issued to all certified LEOs for a little extra at work.

I loved my M4 in iraq it was the best rifle ever!!!! Ther are so many options for this weapon.

I love this weapon because if you know how to use it properly you can use it for long range in the city as well as ashort range weapon

Extremely accurate, versatile, and deadly. Like the M-16, it's very finicky so be aware of that prior to taking one to the field. If well-cared for, this weapon will serve you well time and time again. The length makes it great for urban fighting and tight spots (hallways, choked streets, etc), yet will still be accurate to several hundred meters.

Great multi-purpose weapon. Working in a rural environment there are many tactical and officer safety considerations that need to be considered. Having the ability to use this in a rural setting and also having the ability to adapt to a city environment by changing ammo is a great tool to have!

great rifle, the shorter barrel makes it easyier to carry indoors.

We jsut received 2 of these in our department and will beginning Sniper Training soon. Heard that these are outstanding weapons, but have not handled or had any esperience with them yet.

Its a very versitle round packed one in the desert is a little light for me like the 308 rd better

Michigan State Police recently transitioned to this weapon, after years with H&K. I love it. My only hang up is the fact that it is .223, I would have preferred a long gun in .308.

Bushmaster is strong competition, but Colt is good. I had the opportunity of carrying the M-16 daily for more than a year. The M4A1 is an upgrade, and the carbine size is handy for short to medium range engagement. It is ideal for clearing buildings, and with the right ammo can actually penetrate less wall layers than police-duty handguns.

Keep it clean and don't let the carbon build up on the gas port. That may not be as necessary today as it used to be, but I did have a jam during a fire-fight. Fortunately, my brothers "take care of their own," and laid down enough fire to mask the malfunction I had.

Great, versitle weapon! I prefer it with an EOTech.

It's ability to be completely modular is very useful - I love mine - however, just because it is good, does not mean that it can not be out-classed, by less expensive, even more reliable rifles. The AK-47 comes to mind, and, the AK can be every bit as modular as the AR-15 for half the cost. All in all, the M4A1 is a handy, accurate rifle, but it could benefit from new internal designs. Bushmaster seems to have a new version of the old gas system, a piston inside the gas tube. I enough fun disassembling my upper to clean out the gas tube let alone a piston to worry about - I think it just adds more to the process of maintaining and that's a bad idea. The easier, the better, which is what good designs are made of - like the AK. Still love my kitty-kat and M4A3, though.

If you are going tactical, this is the weapon

A must for any arsenal! After using an M16/AR15/M4 for over 11 years I not only have the priviledge carrying one in my squad, but have one in my house.

It's okay. Everyone knows about this weapon and it's characteristics. The only thing I would change it a 1:3 ratio of tracers if your armory hands out loaded mags.

I love this weapon. I've been using it for my 6 years in the military. It is the weapon of choice for the MP corp. I've never had any problems with this weapon. I once blew through 10 full magazines and never had one problem. Really light and easy to steady when sighting in on something. Excellent weapon.

I personally like the rifle, it's alot easier to use and move with than the M16. However it doesn't do too well in sandy areas or when fired in automatic for long periods of time. Other than that I like the weapon and it has alot of attachments and modifications avalible.

No other weapon carries the accuracy, capacity, and daunting aura than the M4. An officer with an M4 slung over their shoulder can create havoc on armed criminals. With the proper light system, the M4 can be easily deployed in everyday versus extreme situations. A must have for any beat officer/swat/entry team member.

This weapon was a great choice for the military to adopt. The compact size is great for tactical applications in bluilding searchs and close combat. During my time frame of use this weapon at the range and in combat situations it never failed me.

This is a great improvement to the old A2 model. It has improveed not only in the area of mobility, but the great "toys" that can be added to this weapon just makes it that much more fun.

Its a Colt.....Its a rifle that does its job. I carry one and have never had a problem with it. The 5.56/ 223 round is not a long range round. Keep the cartridge limitations in mind and you wont be disappointed.

This the weapon I enjoy firing the most. Of course I am lucky enough to carry the 3-round burst model. I have a rail system with foregrip, Pelican M6 Flashlight mounted and the M68 CCO.

Good weapon. Starts to get a little front heavy when you start pimping it out. Like to add the longer barrel on it such as an A2. Great for CQB and in a HUMVEE.

These things kick ass even if they aren't all decked out....even still I dream of owning one on a daily basis.

My backup weapon. Have it posted next to me every shift and hasnt failed me yet. Very attitude changing when faced with the business end.

Put a M203 on this and you own the street.

it works a hell of a lot better than the M16, i've never had a jam w/ my M4, although i'd prefer the G36C if we have to stick w/ the 5.56, but all in all a good gun

I love this weapon!!! The rail systems allow you to have an endless amount of accessories to add to the weapon. The adjustable stock allows you to quickly make the M-4 a close quartercombat weapon when needed and you can lengthen the stock to your preference for distance shooting. It is high maintenence, but once you get used to taking care of your weapon it takes no time to do. This weapon is superior to the M-16, and the M-4 definetly saved my butt several times in the desert.

This weapon is awesome! I've used it for five years now. Both in Iraq and in the states. Its whats used for the militaries Special Reaction Team. I love it. So many accesories and attachments. Its what the Army gives me so I got to love it! =)

Basicly just a smaller versoin of the M16. I love it, its just as effective but easier to manuver especialy in urban terain. Its also great for people like me that aren't the biggest people in the world...

FOX-ALPHA......this one is SWEETTTTTTTTTTTTTTTTT......

I love mine. I want one for a personal weapon instead of just military issue. Can hit a target with accuracy at 500M.

excellent shooter, we carry one of these in every car

excellent rifle!! carried one for years & would be glad to carry again in my car

For the price there are few weapons systems that work as well as this rifle. It is a nice tight fit with tactical teams, and so common that multi-agency teams have common ammo and gear. It doesn't have the long range capability of the M16, but still has a solid range. If the weapon is taken care of it will be reliable and you can depend on it when you need it. Our Department has had them for almost nine years and they are a perfect fit. The rail give us the option to custom fit what we want, how we want, to each rifle. There are some better rifles out there but this one is among the best.

Great all purpose rifle. Should be standard in every police vehicle.

I love them, very versatile rifle and dependable. Add some after market accessories like 4-point RIS system tactical Light / Laser / Thermal Imaging Unit and you have a weapon for any situation.

the best kinda rifle ive ever shot

this is a very accurate weapon and very reliable, but like other people say it does need fequent lubing, I have worked the firing range when people are qualifying on this weapon and have seen just how well it is a shooters gun, and I have seen them jam up like crazy, when firing multiple rounds throuth it you almost have to keep a bottle of CLP next to you, but over all it is a ok weapon.

HAD THIS IN THE MILITARY. WE TRANSITIONED TO IT FROM THE HK MP5. ALL THE ADVANTAGES OF AN M16 INTO A SMALLER PACKAGE. GREAT FOR MOUT OR CQB OPERATIONS. I'D LOVE TO HAVE ONE AT MY DEPARTMENT.

it is a fine weapon, simple to use/breakdown, but it does require a lot of cleaning when compared to other rifles in its class

Any country or department that can afford one of these should, they are built to perform period.

I found that the M4A1 rifle is a practical weapon for urban operations IN THE IDEAL ENVIRONMENTAL CONDITIONS. Unfortunately, this weapon has the annoying tendency to jam when a minimum of dust or sand gets into the bolt. Again, in IDEAL conditions the weapon is very accurate and easy to fire. There is really no good solution to the jamming problem because even if your weapon was in pristine condition when you start firing, if sand is introduced into the chamber there is a high probability that it will jam. By adding lubricant, you create a sort of gummy mixture that tends to cause the weapon to jam even more. If you can manage to keep the bolt from getting dirty then it will work perfectly.

Good product. I had one I carried in my unit for about two years. We had to purchase our own assault rifles at the time. However after a lot of comparison, I sold this weapon and went with the Mini-14. Accuracy and dependability were greater from everything I studied and my own experiences. How many times are you ever gonna need full auto? Hopefully never.

Good all around weapon. Can't go wrong with it. And a ton of accessories for them!!!

Was a great work rifle, had some issues with the standard gas problems. Length and weight were excellent for carrying and maintaining shooting stance, weak and strong sided. Also, with the Eotech was highly maniplulable with gas mask on. Standard AR-15 rifle, only issues I had after about 20,000 rounds through the years were the standard gas port clogging, and broken extractors. Other than that, this was the one I liked most.

Great for room clearing

I carry this weapon everyday at work. Its light, the retractable stock makes for good use in CQB and the rate of fire is awesome. It needs to be cleaned and lubed up or it jams but proper care and it will send rounds down range as fast as you can pull the trigger

Great rifle. Thats all I can say.

I never had a problem with this rifle and if i did have a problem it was a double feed from a crappy mag. this is my rifle of choice.

My department's tactical team is going from the mp5 to the m4 as our primary shoulder fired entry weapon. It's a long overdue change and we are all excited about it. The m4 is a lightweight, versitile and accurate weapon. The police ammo available for this weapon reduces over-penetration making it a better weapon for entry work that is less likely to cause collateral damage or friendly fire incidents. It is more acurate at longer distances and can penetrate most body armor. With the rising number of criminals gaining access to body armor this is quickly becoming a needed feature for tactical teams. You can trick these weapons out with an endless erray of extras and that's just cool now isn't it. The main drawback to this weapon is that it's fairly high maintenance. But keep it clean and oiled like you are supposed to and it'll be your best friend when the Sh@t hits the fan.

this is a great weapon. i have carried it almost four years now on a day to day basis. id still prefer a weapon with a larger round to have more of a punch upon bullet strike. overall i am happy with this weapon. knock on wood but i have never had a jam when firing it but i read and hear of people getting them frequently.

Love this weapon. Used to have the 9mm version at my old agency but they got rid of them for a .40 cal rifle which was a piece of junk. My current agency had the same piece of junk .40 cal rifle when I started there and we just got these recently. It was like the return of a long lost friend. If you can't shoot this, you shouldn't be shooting.

Great weapon, wish I had three or four of 'em.

The only thing missing here is somethig to shoot at. Absolute perfection !

Excellent weapon system! Could stand to use a larger caliber bullet (6.5 Grendel or 6.8 SPC) but it's compact size makes it easier to get into and out of vehicles, buildings, ships and anywhere that might be limited in space. The short barrel limits the maximum effective range but it still has enough energy to reach out and hurt Billy Bad Guy or haji out to 300 (500 if you've got some talent or luck).

GREAT RIFLE

Great gun, accurate with the M38 red dot scope but its a tad bit heavy. I love the collapsable stock which is great for movement and stuff but I'd feel more compfortable with a lighter version.

My personal favorite of the organic weapons issued by the military. I'm not a tall guy so the short barrel and butt stock work great for me. Makes it a little easier to handle inside an uparmored truck as well.

I carryed this weapon in Iraq and Never really had a problem with it very nice for tactical entry

It is what it is. It's not an outstanding weapon. But I prefer it to the M-16. I suppose my main hang up on the M-4/M-16 family of weapons is the fact they both use 5.56 tumbler rounds (.223 cal) and I like the stopping power of a good 7.62 (.308)
After being a SAW gunner for a year though, I love the fact that I'm only lugging around 5 and a half pounds plus ammo.

I want to pack this product...adding to my wish list.

AWESOME!

I have used variations of this rifle over the years from the M-16, M-16A1, M-16A2, M16A3, M16A4 and now the M4A1, mostly with the military since the 1980's. The improvements of accurracy, versitility,and now all the modular attachments i.e... rail mounts, collapsable stock, and optics makes this rifle very user friendly and deadly in urban and rural medium range use. I used to think that the 5.56mm round was not adaquate, but the A2 type ammo improved its lethality. I would like to see availible as an option the 6.8 mm caliber, that US special ops units have been using in the Iraq war.

We actually have one for each officer that has quailified with them, they are issued to the officers and carry them in the patrol units. We have four that are auto's, which are assigned to those officers who have been S.W.A.T. certified. I love the practical application that we can utilize these weapons for. In tight close quarters we can easily deploy them searching within a residence, etc. As a patrol rifle when can engaged from a distance and still maintian cover and advantage over our "perps". Love this weapon

Apparantly people are not looking at the nomenclature of this weapon. This is not the weapon issued to regulars from the Army and Marines, this is the fully automatic version (hence the A1) that is issued to SOCOM units (SF, Ranger, MARSOC, AF Air Commandos, DELTA, SEALs, 160th SOAR) and HIGHSPEED and WELL FUNDED civilian tactical units such as FBI-HR, big city (LAPD, Miami PD, NYPD..etc etc) SWAT, CIA, etc etc.
The M-4's in Iraq and Afghanistan are A4 models.

Vast improvement over the M-16A2.

I used this rifle during my enlistment in the USMC and it worked fine, currently at work we carry A2,A3 and they do their job, since we are on the beach the rust very quicly, and besides the smaller cartridge that is the only fault that I see with it. I would rather carry an M1, but the rifle is not as light as the AR so in my place of work we carry the friendly light AR's

This is the issued rifle for our SWAT team and it is a great weapon. What makes it great is the ability to set it up however the shooter wants. It is very accurate and easy to handle. The only down fall is the stopping power at distance.

we deploy theses in our patrol vehicles. very reliable.

Second time using it in Iraq and also own one, High maintnance Weapon but gets the job done. recomend a good sight.

good weapon, well made and made in the us of a.

Used for 8 years not a problem or missfire

Very durable, took a round thru the handgrip and still worked.

very good rifle, used it in the army and i, loved it

One of the Most Accurate rifles I have used. Current Weapon with me while serving in operation Iraqi Freedom equipped with a AimPoint CCO M-68 Sight and Front Fore Grip with Tac Sling.

Basic version with 2 20 rounds mags and iron sights fire / safe we switched to these after YEARS!! of Ruger Mini14 Rifles. A decent rifle and upgrade to the 21st Centruy LOL

A-1 on everything,especially versitility.

I have this in the new model 7020.....and I liked the new gas system.... Sweet operating sysem

Overall great versitle weapon for close quarter and mid-range applications.

always reliable and ammo is very easily obtained.

So far, I don't think that I had a problem with it. The caliber is to light for long distance shooting and I would prefer the bull-pup design, However the ergonomic are easy for a right-handed shooter.

Best and easiest to work on the block.

light when you have the 20- or the 30- round mag in it. But all you need is a 20 round mag cause when thay hear the rounds comein out thay will give up