When it comes to AR-15 variants, Bushmaster is the supplier of choice in the United States, and their XM-15 line is full of excellent firearms. It might be hard to imagine how diverse a line of gas operated AR-15 semi-autos can be, but I was astonished at Bushmaster’s available options after just a few flips through their catalog. If you’re looking to buy a new AR, it would be nonsensical to not at least consider what Bushmaster has to offer (or to consider what we have to offer here in our Bushmaster XM-15 Rifle Series Review).

Since the early 1970’s, Bushmaster has been committed to manufacturing accurate, durable, and dependable weaponry. These carbines and rifles were engineered with top of the line products and designed with all types of shooters in mind. They are a pleasure to own and shoot; just take a look and find the one right for you. It’s important to note that although there have been many critics of Bushmaster, over the last several years; their products have skyrocketed in quality (as evidenced in their Minimalist-SD Rifle, among other offerings).

Bushmaster XM-15 Rifle Specs

QRC (Quick Response Carbine)

• Caliber: 5.56 NATO/223 Rem
• Capacity: 30+1
• Weight: <6 lbs.
• Overall Length: 32.5″
• Barrel Length: 16″
• Barrel: 4150 chrome-moly steel w/chrome-lined bore/chamber
• Handguard: Oval M4-type hand guards
• Stock: Six-position “Telestock”, pistol grip
• Mounts: Receiver-length Picatinny “optics rail”
• Muzzle Device: A2 birdcage-type flash hider
• Twist: 1:8”
• Sight: RT5 Mini Red Dot 3.5 MOA
• Safety: Reversible rotating selector
• Price: $769

Heavy BBL A2 Carbine (Available in A3)

• Caliber : 223 Remington/5.56 NATO
• Weight: 7.28 lbs.
• Barrel Length : 16.0″
• Barrel: Heavy profile chrome lined barrel
• Capacity : 30+1
• Trigger : Single Stage
• Safety : Lever
• OAL : 32.5″
• Stock Description : Adjustable synthetic Black
• Metal Finish : Black
• Sights: A2 Front, Battle Rear
• Muzzle: A2 flash hider
• Twist: 1:9”
• Price: Approx. $800.00

M4-A3 Patrolman Carbine Quad Rail Centerfire Rifle (Available in A2)

• Caliber : 223 Remington/5.56 NATO
• Weight: 6.7 lbs.
• Barrel Length : 16.0″
• Barrel: M4 profile chrome lined barrel
• Capacity : 30+1
• Safety : Lever
• Sights: Post Front/Adjustable Rear
• OAL : 32.5”-34.75”
• Stock Description : 6-position black
• Twist: 1:9”
• Price: Approx. $800.00

20” A2 Classic

• Caliber : 223 Remington/5.56 NATO
• Barrel Length : 20.0″
• Capacity : 30+1
• Trigger : Single Stage
• Safety : Lever
• Sights: Peep sight
• OAL : 39.5″
• Weight: 8.43 lbs.
• Stock Description : A2 Black
• Metal Finish : Black
• Price: Between $800-$1,000

Bushmaster XM-15 Rifle Build

One of Bushmaster’s best qualities is the durability of their firearms. The components of their weapons, especially within the XM-15 line, were engineered to be strong and reliable. Although there are slight variations within this line, most XM-15 models follow a standard AR-15 build. Generally, the XM’s are gas operated semi-automatic rifle/carbine with high-grade aluminum upper and lower receivers. The chrome-lined 4150 steel barrel length for the XM rifles is 20” and 16” for their carbines. One of the newer impressive features is their manganese phosphate finish, aimed at protecting their firearms against rust and corrosion. This is especially important for gas-operated weapons which tend to produce a lot of heat. Many of the XM-15 guns are also FNC treated to ensure their longevity.

The M4‘s in this line are built to meet Mil Spec which is great news for those who want to accessorize. I may be old-fashioned, but I have a real affinity for Bushmaster for designing and manufacturing their weapons in the U.S. More than that, these guns are built extremely well, both in terms of their toughness and their ergonomics. I recommend taking a look at the entire XM-15 series lineup in their online catalog to find one that suits your exact preferences.

Bushmaster XM-15 Rifle Shooting & Performance

Right out of the box, the XM-15 rifles and carbines are ready to shoot. With their Mil Spec flash suppressors and Bushmaster engineering, these AR-15 variants are extremely user-friendly and accurate. As with most standard semi-automatic rifles, their average rate of fire is 45 rounds per minute. The XM series’ practical designs allow for minimal recoil, simplistic handling, and precision shooting at far distances. In fact, their average effective firing range is around 600 yards and a maximum firing range of approximately 3,800 yard. As previously mentioned, the advanced engineering of these weapons have boosted their durability and reliability immensely, assuring peak-performance shooting for years (if kept clean!). For these reasons and more, shooters of all purposes have trusted Bushmaster’s firearms for decades.

Bushmaster XM-15 Rifle Magazines & Sights

The XM-15 line packs an impressive magazine system. Their feeding system works with the various universal STANAG magazines which mean several configurations and capacities are available. The STANAG’s have been adapted over the years and are now made with high-grade steel bodies, rust-resistant chrome-silicon springs, and anti-tilt followers, to be highly resilient and reliable. The XM-15 standard weapons feature magazine release buttons, raised ribs for protection against accidental magazine release, and are shipped with a 30 round mag – meaning less reloading!

Although highly accurate from the start, there are a number of sight options for each of Bushmaster’s XM line. It’s hard not to favor the QRC when it comes to sights. The quick-detach red dot optic that comes with it is a marvel. Check out the specs for yourself:

• Power/Objective Lens: 1×20
• Length: 2.65”
• Center Height: 40.5mm
• Weight: 6.6 oz.
• Dot Size: 3.5 MOA
• Adjustment Range (in@100yds/MOA): 36/35
• Click Value: 1 MOA
• Parallex Setting: 50 yards
• Battery: CR2032
• Brightness Levels: 11

The Heavy BBL A2 Carbine sights are standard, but that is not a bad thing. Depending on which model (A2/A3) the sights vary. The A2 upper receiver features a fixed carry handle and has a 300-800 meter rear sight system with 1 MOA elevation and ½ MOA wind adjustments. The A3 includes a Picatinny rail and a 300-600 meter rear sight system with ½ MOA elevation and wind adjustments.

The M4 Patrolman Carbine also comes in A2 and A3 versions. The dual aperture rear sight system on the A2 carbines affords wind and elevation adjustment. As with all other A3s, the carry handle can be removed and a massive array of sights (red dot, scopes, holo, etc.) can be mounted on the Picatinny rail. Once the handle is reattached, reconfiguring iron sight zero is nearly effortless.

The 20” A2 Classic’s sight system is also relatively generic but highly reliable. The A2 upper receiver features a 300-800 meter rear peep sight system which offers a dual flip-up aperture. The short range aperture has a larger opening for better lighting and visibility, while the smaller one is intended for maximum accuracy at longer distances.

Bushmaster XM15 chambered in .223. pic.twitter.com/flhHWj8uOD

— Guns And Range (@GunsAndRange) June 22, 2015

Bushmaster XM-15 Rifle Safety & Assembly

Bushmaster has been dedicated to making their guns user-friendly for nearly 50 years and their safety features and simplistic assembly attest to that fact. Most of the XM-15’s have straightforward lever safeties. Not only are their guns engineered to rarely malfunction, they are also designed to thoroughly dissipate heat well. Furthermore, their flash suppressors successfully keep the shooter’s vision unadulterated, another underrated safety feature. Even the magazines used in their products are designed to be safer. Bushmaster has taken a lot of heat for their weapons being used in crimes, but credit is not given to them for the safety measures they’ve taken in the development of their products.

Assembling an XM-15 is relatively simple. Because these guns are designed to be heavily customized, taking them apart and reassembling them should be a breeze for the average gun owner. Their make-up follows the standard AR-15 build, and should be cleaned regularly. For basic manipulation, very few tools (if any) are needed for the process; but for those looking to do a more comprehensive tinkering, Bushmaster sells their own tool kits (available from their catalog).

Related: Check out our other rifle features covering the Remington 597, 700, and 770, Mossberg 702, Ruger SR-22, and FN FAL and SCAR!

Bushmaster XM-15 Rifle Prices

Because the XM line offers such diversity, the price range for the different models can vary between $600 and $1,000. I have rarely seen any of these AR-15 variants go for more than that. If price is a concern, buying one used is a very feasible option- but be sure it is from a reputable source! These guns were manufactured to last for a long time (if managed properly) so buying a used rifle/carbine is not inherently risky. Nonetheless, because of this fact, the average resale value is generally pretty high.

Bushmaster XM-15 Rifle Accessories

Bushmaster does not disappoint with their accessory options; there is seemingly no limit to how much anyone can customize their weapons. They offer numerous options for upper and lower receivers, special grips and stocks, variant triggers, tons of barrels, mounts, and sights, flash suppressors, and specialty magazines. Besides for just parts, Bushmaster makes all kinds of kits and tools to aid you in all types of situations.

For the XM-series specifically, the only major accessory that you might want to research is the sight. Sight preferences vary depending on the shooter and purpose, and these guns can mount just about any sight you like. I happen to be a big fan of the QRC’s red dot optic (see above: magazines & sights). It functions like a high-tech piece of equipment but handles with ease. Overall, Bushmaster’s catalog is full of great accessories – I highly recommend taking a look for yourself.

Conclusion

When you take a look at Bushmaster’s weapons and specs, it begins to make sense why they are the favorite AR-15 variants in the country. Since the early 1970’s, along with tremendous adversity, Bushmaster has emerged as a leading manufacturer of high-end rifles/carbines that are both extremely accurate and affordable. The diversity within the XM line can easily make any potential buyer feel like a kid in a candy store. Whether you prefer a heavy or light weapon or a carbine or rifle, Bushmaster has you covered.  All types of shooters and law enforcement/military men and women depend on these firearms daily. They are coveted all around the world by gun enthusiasts and those who want to keep their family and property safe.

I would happily own any of Bushmaster’s XM-15’s, but I happen to feel most confident with the QRC. At the end of the day, they are all made by a reliable company known for making durable, accurate, and dependable weapons. However, the XM-15’s aren’t only practical, they are also incredibly fun to shoot and easy to manage; and if taken care of properly, you’ll be shooting yours for years.

Thanks for reading our XM-15 feature here at Gunivore. More of a Glock guy? Check out our the New Glock 17 & 19 Gen 5, 26, 30, and 36 reviews!

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Table of Contents

• Specifications
• Build
• Shooting & Performance
• Magazines & Sights
• Safety & Assembly
• Prices
• Accessories
• Conclusion

Bushmaster Firearms International has been making world-class rifles ever since 1973, and most famously, their AR-15 variants. The American-based company, currently owned by the Freedom Group, is the leading distributor of AR-15 variants in the U.S. The reason I refer to it as a variant is because, technically, Colt owns the trademark and all other brands simply replicate it. Colt bought the rights to the gun from ArmaLite in the late 1950’s, which is the source of the “AR” (ArmaLite Rifle) distinction. Nevertheless, Bushmaster’s AR-15 models are considered top of the line and are used by militaries and law enforcement agencies around the world. The semi-automatic M4 carbines (available as A2 or A3 models) are arguably their best ARs and are just one of many great weapons in their XM-15 line. A lot has changed for the AR-15; it is significantly heavier, more widespread, and has gained notoriety for its use in crimes across the globe. The original model was designed solely for police and military use but has since been adapted for civilians.

The first model is now a major collector’s item because of several favorite discontinued features. Since the 1994 federal assault weapons ban expired in 2004, sales for semi-automatic firearms, especially the AR-15s, have skyrocketed. Hunters, competitive shooters, and police have consistently applauded this weapon, and reasonably so. The AR-15 has been celebrated for decades not just for being extremely accurate and reliable, but also for its customizing capabilities. Because of its minimal recoil and user-friendliness this semi-auto is suitable for novices and experts alike. Rest assured that all of your M4-required reading needs are covered here in our Bushmaster M4 Type Carbine (AR-15) Review.

Bushmaster M4-Type Carbine (AR-15) Specs

Bushmaster proudly asserts that all of their M4s are built to meet or exceed Mil Spec (U.S. military standards).  With the M4’s impressive specs and top-notch American engineering, it’s no wonder why it is one of the most widely circulated AR-15s in the world. Bushmaster is clearly dedicated to producing top-shelf firearms and their constant spec upgrades and innovations attest to that.

Bushmaster M4 Build

Bushmaster Firearm’s M4 Carbine (XM-15 line) was engineered according to the United States Military Standard and modified for civilian use resulting in a striking and universal rifle. There are countless MSR (modern sporting rifle) parts out there and it’s good to know that every fine detail and accessory for your M4 Carbine can be customized to your liking. The M4 was constructed to be extremely accurate and durable, and the Teflon-coated 7075 T6 anodized receivers and chrome-lined barrel (with 1×7” twist) ensure just that. To ensure speed and efficiency, the M4 is built with the classic M16 bolt carrier for smoother cycling, and M4 feed ramps for better feeding. Remarkably, Bushmaster designed this gun’s rear with outstanding capabilities.

First and foremost is their Mil Spec 6-position stock, which easily adjusts to any shooter’s precise preferences. For added durability, they added the Mil Spec receiver extension (buffer tube) and developed a staked castle nut to stabilize it. The M4 comes with forged upper and lower receivers, but if you are a stickler for carry handles, remember the A2’s is fixed and the A3’s is detachable (enabling access to a Picatinny rail). In my experience, one factor that is often overlooked is magazine availability, and our gun here can accept all AR-15/M16 type STANAG/NATO mags. Depending on your preference, two different flash suppressors are available.

The standard models feature the fixed flash suppressor and the Patrolman carbines are equipped with the highly popular removable “bird cage” suppressor. Another plus is that all critical steel components of the firearm are coated with a Mil Spec. manganese phosphate to protect against corrosion. This gun is built to last!

Related: Check out our Glock (17, 19, 26, 30), Remington (R51, 700, 770, 870, 1187) and Mossberg (500, 930) Features!

Bushmaster M4 Shooting & Performance

As noted previously, this gun was engineered to shoot accurately and effortlessly for years. Nearly every component of the M4 was designed to make it more user-friendly and precise. M4’s are famous for their nominal recoil, and because of its strong grip and 6-position stock, any shooter can find a comfortable arrangement. With the introduction of the free floating hand guards in the 90s, the AR-15 variant’s accuracy skyrocketed. Furthermore, the cycling and feeding of this gun are extremely reliable, which makes shooting it easy and fun. Because Bushmaster has made personalization basically effortless, shooters of all skill-sets, experiences, purposes, and preferences, can perfectly mix and match their weapon.

The sights on the M4 are pretty standard, but see below for a more in-depth analysis. It’s my firm belief that the numbers speak for themselves, and Bushmaster’s AR-15’s are among the world top-selling in the world for good reason.

Bushmaster M4 Magazines & Sights

The M4 feed ramps and bolt carriers are the harmonious partners for the already impressive magazine system of the Bushmaster AR-15’s. Their feeding system works with the various universal STANAG magazines, which makes several configurations and capacities are available. Although originally prone to malfunction, the STANAGs have been heavily modified with high-grade steel bodies, rust-resistant chrome-silicon springs, and anti-tilt followers, to be highly resilient and reliable.

To say that the M4 comes equipped with basic adjustable front and rear iron sights would be a gross underestimation. Many people prefer to remove the carry handle and mount a Picatinny rail to increase their options. Some rear sight carbine systems offer both wind and elevation adjustments, which obviously make shooting in harsher conditions much easier. Depending on each shooter’s preference and purpose, a wide variety of scopes, holographic sights, red dots, and night vision equipment are mountable on the upper receiver’s rail.

What cleaning up after a good day looks like pic.twitter.com/L3r3RPGnrB

— Bushmaster Firearms (@BushmasterLLC) January 9, 2017

M4 Safety & Assembly

The safety features of Bushmaster’s M4 model AR-15 variants are standard, which makes firing in “combat” situations quick and easy. Although gun safety is pretty universal, Bushmaster has a list of fundamental safety precautions on their website, which I recommend reading.

To disassemble your Bushmaster M4 AR-15 first remove the two pins in the lower receiver (you may need a small prodding tool for this) and detach the upper and lower receivers. Next, take your upper receiver and remove the charging handle and bolt carrier. For the next step you will need your multi-tool to remove the firing pin retaining pin and then drop your firing pin out. Be careful not to lose these – they are very small. The final piece of the upper receiver is the bolt, and all you have to do is push in and twist the knob and it should come right out. Now onto the lower half; first pull out the buffer tube, buffer, and recoil spring. It is as simple as that.

This gun is as easy to put back together as it is to disassemble. It is very important that at each stage of the process to make sure to clean each piece and compartment. Failure to keep your gun clean can negatively affect your gun’s efficiency and life-span. One of the places that people neglect to clean is the area where the firing pin rests. This failure has unfortunately caused too many AR-15s to become less reliable – clean it well!

Bushmaster M4 Prices

With several options like A2, A3, or Patrolman series, prices for the Bushmaster AR-15 variant can vary between $650 and $1,000. It’s not uncommon to buy one of these rifles used, but make sure you buy from a highly reputable source. The last thing you want to do is find a great deal and then find out at the range why it was so cheap. For such a high-quality firearm that will last for years, the price is a reasonable investment for any serious shooter.

Bushmaster M4 Accessories

The AR-15 variants are loaded with accessory options and Bushmaster has got them all. The Bushmaster Firearms catalog offers individually sold upper and lower receivers for many of their models. Most people stick with the pre-equipped lower receiver, but if you fancy a skeleton or trapdoor stock they’ve got you covered. If you love and trust Bushmaster then check out their catalog which offers other accessories like field repair kits, varying round magazines, enhanced pistol grips, foregrips, slings, and cleaning kits.

Conclusion

At the end of the day, you can’t go wrong with Bushmaster. So much has changed with AR-15s and with Bushmaster itself, but as time goes on they are only getting better. The XM-15 is a great series of guns and the M4 carbine AR-15 variants are no exception. They’re long-lasting, reliable, accurate, and American-made. It’s no coincidence that they are the largest supplier of AR-15 variants in the country. Bushmaster is clearly dedicated to excellence and has engineered a semi-automatic weapon for all types of users with all types of preferences. It’s not only fun to shoot, it’s easy to manage, dependable, and if taken care of properly, you’ll be shooting it for years.

Thanks for checking out our M4 feature! Read about more great rifles like the Remington 597, Ruger Mini-14, FN FAL and SCAR, and Kel-Tec Sub 2000 here at Gunivore!

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