Category Archives: Firearms

7.62×25

I don’t even have time to take a halfway decent picture…I’m off to the range! Some of my friend Kristofer Gulbrandsen’s hard work has finally paid off.

Edit – back from the range – it works! More video to come.

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The AR-15 is Good…and a Good AR-15 is Better

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Mike Pannone Shoots the 1/2 & 1/2 Drill with the NGA X7

In this video, Mike Pannone of CTT-Solutions shoots the 1/2 & 1/2 drill with the Next Generation Arms X7.

The 1/2 & 1/2 drill consists of 30 total shots – 10 from 20 yards, 10 from 10 yards, and 10 from 5 yards. The par times are, respectively, 10 seconds, 5 seconds, and 2.5 seconds. All shots must land with in the “A” zone of an IPSC type target.

Mike shoots the 20 yard and 10 yard strings in less than half the par time, and the 5 yard string in under 2 seconds. These strings were actually shot from 20, 10, and 5 meters due to the use of a metric laser rangefinder.

More information about the weapon will be forthcoming.

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Tulammo .223 – Don’t Bother

I shoot a fair amount of steel cased .223, mainly because I am cheap and lazy, and it’s pretty easy to find at a low price.

My experiences with Tula, however, have not been great.

Rifles that will cycle any other type of ammunition – Brown Bear, Wolf, Monarch, Prvi Partizan, Black Hills, Federal, etc, etc – have had major problems with Tula. Why? Because it’s really weak.

Now, I’m aware that some people say Tula and Wolf are one and the same – my rifles, and the high speed video camera, feel differently. The rifle in this video cycles Wolf with an H3 buffer – but wouldn’t cycle Tula with a carbine buffer and a standard carbine action spring. I had to drop down to a Wolff reduced power action spring, and even then, it was iffy at times.

You can see in this video just how weak it is – and inconsistent to boot.

If this rifle’s gas port was larger, it would be able to cycle Tula without using nonstandard springs – but then functionality with all other ammo types would suffer.

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Just another black rifle…

Review/comparison with 308 AR coming soon…

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Colt CM901 Information

Colt has a fancy new weapon in development – it’s called the CM901. Basically, it’s a .308 caliber AR that will also accept standard 5.56mm uppers and magazines using a special adapter (which they aren’t displaying for the public at the moment). A PDF file with more info can be found here.

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Easier AR-15 Front Sight Base Removal

Recently, I’ve been removing a lot of front sight bases attached with taper pins – which caused me to think of a different method of removal.

Traditionally, having a friend hold the upper in place on a solid surface and attacking it with a large punch and a large hammer has yielded acceptable results. However, if you’re not careful, or if you get a little carried away, you can end up damaging the front sight base. I’ve definitely been guilty of this in the past.

Now, the method I’ve been using can still cause damage if you’re not careful – but it seems to be much faster and easier. It doesn’t require a third hand, and if you do it right, no damage will result.

Basically, I place the front sight base/barrel assembly in the jaws of a vise at an angle – so that the small end of the pins are firmly seated against the vise, and the big ends are sitting just atop the other jaw, with enough of that side of the sight base clamped in the jaw that it won’t pop out like a zit when pressure is applied. On the other side, it’s important to get the small ends, not the base itself, against the jaw.

At that point, all one needs to do is tighten down on the vise. When enough pressure is applied, a “pop” will be heard as each pin comes loose. You might find it easier to do them one at a time, though the angles involved can be tricky – you may need to remove the sling swivel before you do the rear pin.

Of course, they won’t come all the way out – you’ll still need to use a punch to move them past the point where they’re flush with the surface of the sight base. However, a smaller punch can be used for this – with more precision. It won’t take much effort to get them all the way out.

I have done 5 front sight bases like this, and have yet to scratch one or leave a mark that can’t be cleaned up with a little cold blue. I can’t say the same for some of the FSBs that I’ve attacked with a hammer and punch in the past.

Naturally, the procedure would be much easier with a tool which would hold the barrel/FSB in place, keeping it from the metal jaws of the vise, and applying even pressure to each pin. I hope to have a prototype made soon. But if you’re at your wits end with a pinned FSB, and have access to a vise, this technique might be worth a shot.

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