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Daniel Defense v5 Lightweight M4 Carbine

Designed for law enforcement and civilian use, this 16-inch midlength AR is accurate and easy to carry.

December 16, 2011  |  by Scott Smith - Also by this author

For optics I chose to use Aimpoint's new Patrol Rifle Optic (PRO) and Vortex's 2.5-10X44 Viper PST in a Precision Reflex Industries mount. This choice of optics gives me a sight for CQB or precision, and the Viper because of its 2.5 power can be used for up-close-and-personal operations. I also wanted to use the Viper with its 10 power magnification to see how well the v5 Lightweight shoots. I find red dot sights do not bring out the best accuracy a firearm has to offer; especially with my middle-aged eyes.

Before testing the v5 Lightweight for accuracy, I needed to ensure it was reliable. To do this I loaded Lancer Systems' L5 magazines and Troy Industries' Battle Magazines with mixed ammunition from my odds-and-ends dump bag. This collection included bullets from most major manufacturers and some .224 bullet weights. The v5 Lightweight didn't care who made the cartridge or what the bullet weighed; it simply fired every time the trigger was pulled. Both the Troy Industries Battle Magazines and Lancer's L5 magazines fed this hodge-podge of ammunition into the v5 Lightweight cartridge after cartridge.

Accuracy Testing

I zeroed my optics with the "junk" ammo. I didn't want to burn quality ammunition to get the carbine on paper. I figured why not see how the carbine functioned and zero the optics at the same time.

The v5 Lightweight carbine really shined with the 77-grain loads from Atlanta Arms and Black Hills. The best three-shot group was three-eighths of an inch at 100 yards. Using heavy .223 loads, 69 grains plus, this carbine consistently shot groups under an inch. It was no slouch with lighter bullets either; those groups were just over an inch, even my hand-loads. The Daniel Defense v5 Lightweight's accuracy was on par with a heavy barrel 20-inch rifle.

After I had the v5 Lightweight zeroed, I wanted to see how well the Vortex Viper optic's adjustments made corrections. Each click is one-quarter MOA and the clicks were accurate. I was able to walk the bullet impact from the center of the target to each target square and back; the Viper performs as advertised.

Switching from precision to more close-quarter shooting, I removed the Viper and replaced it with Aimpoint's PRO. The PRO comes with flip-up covers, QRP mount and battery (life is estimated to be three years); complete you will find this red dot priced $400 to $500, depending on the vendor or area.

Aimpoint's QRP mount properly aligns the optic with your eye. When mounted the PRO co-witnessed with the Magpul BUS front and rear. These sights lay flat and flip up in a flash when you depress the ambidextrous catch. If you run the carbine with the sights in the "up" position, they will be center co-witnessed.

Muzzle Brake and Suppressor

Thanks to the light weight of the v5 Lightweight and the SureFire muzzle brake there was very little muzzle rise and transitions between targets were smooth and fast. The PRO allowed for quick accurate shots at distances from seven to 25 yards.

I also ran the v5 Lightweight with a SureFire Mini. This 10-ounce suppressor not only reduces the noise and muzzle flash signature, it also reduces muzzle rise to next to nothing. It's also really quiet. My range is roofed and enclosed on three sides. But if you were behind the structure while the M4 with the Mini attached was being fired, it sounded like a muffled balloon breaking and you could not pinpoint the origin of the sound. This is exactly what SureFire's suppressors are designed to do.

A fighting carbine also needs a light. I mounted the new WL1-AA Light/Laser from Insight Technologies. This light is powered by inexpensive AA batteries instead of the pricey CR123As. The 150-lumen output truly will light the night at distances out to more than 75 yards. The adjustable laser further enhances this light, giving you a zeroed aiming point. Lasers increase accuracy when shooting from non-traditional shooting positions.

The WL1-AA is compact and barely adds three ounces to the M4. It gives the operator the choice of white light, laser, or both. You can lock the system out so you don't have an accidental discharge of light. To further enhance this light's function, there are two paddle switches that give you constant on or intermittent on.

Previous experience with Daniel Defense M4s led me to expect excellent performance from the v5 Lightweight; I was not disappointed. The Daniel Defense v5 Lightweight M4 is an awesome firearm. It is wicked accurate, easy to handle and carry, and it is boringly reliable. If you are looking for an M4 for duty, competition, or home defense, take a look at this carbine. I did. I loved it. And I made it my personal firearm. That is the highest recommendation I can give.

Scott Smith is a former federal police officer for the Department of Veteran's Affairs and a contributing editor to POLICE.

Daniel Defensev5 Lightweight Carbine Specs:

Caliber: 5.56 NATO

Capacity: 30 rounds with provided mag

Overall Length: 35 inches as shipped

Barrel Length: 16 inches

Barrel: Chrome moly vanadium steel, cold hammer forged, 1:7 twist

Weight (no sights): Six pounds, five ounces

Gas System: Midlength

Gas Block: Low profile gas block

Handguard: Omega X Rail 12.0

Grip: Vertical Foregrip

Buttstock: Magpul MOE Buttstock

Price: $1,469 (no sights)

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Comments (6)

Displaying 1 - 6 of 6

Theron @ 1/16/2012 11:27 AM

Great article, own the heavier barrel M4V5 and I agree. Very accurate, and dependable. Thanks

Gary @ 7/7/2012 6:38 PM

I am looking at the Daniel Defense V5 myself. The only thing I am curious about, is that is does not for .223 as well. What is the difference between 5.56 and .233 other than you can't use .223 ammo in the 5.56? Do people get an M4 that fires both because the .233 ammo is cheaper? Also, you mention a few different grains of ammo that you used on your first shoot. What do you use mainly in yours? Thank you.

Zach @ 7/10/2012 2:50 PM

Gary, .223 and 5.56 are the exact same round. Just as .308 and 7.62x51 are the same. The only differance is the standard to which they are measured. Being that one is in metric and the other US standard. They are one and the same.

Marc @ 7/25/2012 10:04 AM

The .223 and the 5.56x45 are NOT the same! Shooting a 5.56x45 round in a chamber only pressure certified for .223 could cause a life threatening KABOOM. The cartridge pressures are much different. You can shoot .223 in a 5.56x45 weapon, but most definitely you should not do the reverse.

Vince @ 12/13/2012 2:40 PM

Mark is exactly correct ^^ and .308 and 7.62x51 are not the same either, you can shoot a 7.62x51 in a .308, but not the other way around.

Tre @ 1/14/2013 7:06 PM

before i really started getting into Magpul Dynamics and now Costa Ludus and similar training systems and celebrities, I bought the DD V4 LW. only regret is that I didnt get the V5 due to the longer rail system so i could get lights and lazers more out past my hand so that they wouldnt compromize my grip, which is far out on the rail "C clamp style".. other than the rail length, the V5 Lw and V4 LW are the same rifle.. i have not thrown a comp on it yet but will be putting on a BC2.0. anyways im still wondering due to the LW barrel if the muzzle flip/rise will still be not all that great,even with the comp, beacause of the shaved off 10 ounces that possibly might absorb just a little more recoil. I could be trippen, but I would rather have the extra 10 ounces that absorb a little more recoil, then have the LW barrel. just something to think about.

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