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Primary Arms MD-ADS

By on October 3, 2014 in Guns

A new leader in the budget red dot sight race may have just emerged from the club house. Primary Arms just introduced their Advanced Micro Dot with Push Buttons and 50K Battery Life, MD-ADS. That name is way too long so I’ll just call it the MD-ADS.

MD-ADS-2

The MD-ADS is obviously based on the HoloSun HS403G that was released earlier this year based on the appearance, button interface, and 50,000 hour battery life (that’s right, 50,ooo!) but Primary Arms has made at least one noticeable improvement. They have moved the battery compartment to the side of the optic rather than the bottom so that it doesn’t have to be removed from its mount to change the CR2032 coin cell battery.

It should also be noted that unlike most budget red dot sights, the MD-ADS has a very low profile LED unit. It really doesn’t seem to project into the field of view at all which is nice if you ever need to use iron sights through the optic.

To top it all off, the MD-ADS can use any mount intended for use with Aimpoint Micros.

More stats:

  • 12 brightness settings
  • daylight visible illumination
  • nitrogen purged
  • water resistant (no depth provided)
  • 2 MOA dot
  • 3 year warranty

SCAR Advanced Fore-Rail from Handl Defense

By on October 3, 2014 in Guns

Handl Defense’s new SCAR Advanced Fore-Rail is now available. This SCAR extension rail is constructed from carbon fiber and features the M-LOK attachment system.

HandguardOnRifle_LeftSide_Web

Handl Defense claims that the 3k 2×2 carbon fiber used is as durable as 6061-T6 aluminum but with less heat transfer. Handl Defense had this to say about the durability of the rail:

We did a lot of research in making sure that the rail would be as durable as any other rail out there and what we came up with was beyond our own expectations! With the help of aerospace engineers we came up with a proprietary resin that has been capable of withstanding up to 1000 degrees Fahrenheit! That’s well beyond what the weapon is capable with out failing and if If you look closely there is also built into the handguard a protective ring on the end to guard against environmental hazards and preserve the handguard’s integrity.

It is significantly longer than most SCAR extensions on the market yet it weighs only 5.6 ounces. However, much of that length is actually behind the front sight which provides additional M-LOK mounting real estate.

There are M-LOK mounting points at 2, 3, 6, 9, and 10 o’clock. 3 accessory rails are included (6 o’clock rear, 6 o’clock front M-LOK, 12 o’clock M-LOK).

Check out the SCAR Advanced Fore-Rail at Handl Defense.

Magpul MOE SL Buttstock Durability and Drop Testing

By on October 1, 2014 in Guns

I have been using the new Magpul MOE SL Buttstock for several weeks now and it certainly seems like a lot of stock for the money. It feels durable but feelings aren’t quantifiable. I haven’t done any drop testing but I have mortered it a few times to see if it would loosen (it didn’t). Now Magpul has let out a few tidbits pertaining to the durability of this stock (and others that they make).

jerking-the-trigger-magpul-moe-sl-stock

First, they switched to harder stop pins across the board “a while ago”. From Magpul Director of Product Management and Marketing, Duane Liptak, Jr.:

“We switched to harder pins quite a while ago across the board–new pins, new finish, harder (but still tough). Right now it’s a balance between what gives out first. We haven’t bent a pin to the point that it doesn’t function in SL testing, but we’ve sure buggered up a lot of buffer tubes. The polymer will eventually fail on our secret squirrel punishment tester, but predictably, and the stock generally remains usable. If something didn’t give, there ends up being significant buffer tube damage to the point that the stock won’t adjust or come off without sawing or prying. It’s pretty doggone stout. We also, as always, formulate for performance across the temperature extremes. Hot, cold, room, etc, where a lot of more “shock absorbing” polymer formulations end up testing poorly at elevated or reduced temps. Different philosophies.”

Second, Magpul had the MOE SL Buttstock drop tested by a third party and the results matched their own internal testing:

“Just wanted to drop in and update on strength testing for the MOE SL buttstock. Didn’t want to say anything until we had third party verification of our results, but we just started getting those. We’re passing 2 meter, multi-axis drops on a 10 pound rifle in all colors and flavors from multiple test evolutions, and doing it with ease. Pretty stout stuff.”

The above quotes can be found on M4Carbine.net.

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