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Archive | Guns

Good Stuff From Other Blogs

Beyond “The Chart” – Vuurwapen Blog – 87GN hit this one out of the park. “The Chart” is a great resource but it was never intended to tell the whole story. There are other factors involved that you should consider. This is a must read.

Knot Series – ITS Tactical – ITS Tactical shares a new knot every week. They show how to tie it and offer suggestions on how to use it. The series on stringing a tarp shelter has been especially useful to me.

The Pros and Cons of MREs –  ITS Tactical Navigating the world of MREs can be tricky at times, especially with all of the commercial makers out there claiming to be just like the real issued MREs. ITS Tactical recently posted an article that may be of some help when trying to determine which, if any, MREs to purchase.

HSH Fighting: The Sand in the Face – Death Valley Magazine – This article is a good reminder that the handful of sand (or whatever else is nearby) isn’t just a dramatic plot device employed by Jean-Claude Van Damme movies – it actually works.

Buy a Knife, Cure Cancer – PistolTraining.com – Todd Greene at PistolTraining.com is one of the premier handgun trainers in the country. He is also a cancer survivor. He has collaborated with SKD Tactical (a great source for tactical gear) to bring you a limited edition Zero Tolerance knife. Part of the proceeds will go to the LIVESTRONG Foundation.

Tactical Preschool 54 – The Things Worth Believing In – I hate stairs! Tgace has the lowdown on two man stair clearing technique.

Dwell Time and You

If you own an AR-15 or you are thinking of purchasing one, you should make yourself familiar with dwell time. Dwell time is simply the amount of time that the bullet spends in the barrel after it has passed the gas port and before it exits the muzzle end of the barrel. Too much time here results in an over gassed system which can cause accelerated wear and tear. Too little dwell time can cause short stroking (especially in cold weather). Both situations are bad.

Barrel length, gas system length, and gas port size are key to determining dwell time. An understanding of these factors is especially important when you are looking at 16″ and 18″ barrels. Many people choose barrels based on looks or style without truly understanding the consequences of the choices that they are making.

The military uses carbine length gas systems (about 7″) on 14.5″ barrels and rifle length gas systems (about 12″) on 20″ barrels for a reason. Carbine gas systems on 16″ barrels may be less than ideal since they are often over gassed. Straying outside these norms can have a negative impact on your reliability. Midlength gas systems serve the purpose of shortening dwell time and over gassing on 16″ barrels. Arm yourself with as much information as you can before choosing a barrel!

Here are two excellent discussions of dwell time, its determining factors, what it might affect, and how to tune it:

How the AR-15 Direct Impingement gas system works – by Randall at AR15Barrels.com

Carbine vs. Mid-Length Gas System on a 16″ Barrel [2010-01-10] – by USMCo3 at 03 Design Group

BCM 16" Lightweight Carbine Uppers Now Available

Go and get them! The 16″ lightweight uppers with carbine gas system are available now. BCM continues on their march toward AR-15 world domination!

Review of the US Palm AK Attack Rack

James G. at Death Valley Magazine (which I read daily, it is a great blog) has the first hands on review that I have seen of the US Palm AK Attack Rack. The AK Attack Rack is an AK specific chest rig with some unique features that help it deal with the unique challenges that AK magazines present.

Check the review on Death Valley Magazine.

The Complete Glock Reference Guide

I have been using The Complete Glock Reference Guide for several years now. It contains page after page of invaluable information for Glock owners. It covers everything that you would expect: field stripping, disassembly, assembly, cleaning, and more. The most invaluable information for me has been the tables that detail the parts that all Glock models have in common. I used this to help build an inventory of spare parts for all my Glocks.

All of the information is presented in a very well organized way with plenty of white space and tables. There are tons of clear pictures to guide you through the procedures outlined in the book. It is also spiral bound which allows it to lay open easily on your work bench.

This is just the kind of book that a Tactical Handyman needs on his shelf.

Denny's Super Duty Bolts with Ion Bond

Denny at Global Tactical Solutions is now offering his excellent Ion Bond Super Duty bolts separately from the carrier. Previously, they had to be purchased as a complete bolt/carrier group (BCG). Now they are available to those who already have a good carrier on hand.

These bolts are everything a bolt should be (shot peened extractor with improved spring and correct insert and MP tested) but they also have the excellent upgrade of being Ion Bonded. The Ion Bond coating is self-lubricating (you still need lube), very hard and wear resistant, and it cleans very easily.

The bolts are top notch and the coating is amazing. I have been using one of the Super Duty BCGs in my range pig (the rifle that gets burnt up at the range more often than all my others) for 3 years. It has just short of 4000 trouble free rounds on it, many of which have come during higher volume training. This is great gear.

Direct Attach Mounts for MOE Handguards

Impact Weapon Components has a new line of Direct Attach Mounts designed for the Magpul MOE handguards. These are mounts that are designed to attach directly to the MOE handguards without the use of a rail which makes them somewhat low profile. This may be just the thing for those are who are looking to attach a sling to their MOE handguards.

I would like to see them add a rotation limiter to their QD sling mount and some kind of direct attach flashlight mount would be a nice product as well.

Remember to use the coupon code “triggerjerk” at checkout to receive 5% discount at IWC.

CMMG Anti-Jamb Charging Handle for Dedicated .22s

CMMG has released a sneak preview of a new charging handle that they have created for AR-15s that have been converted to .22LR. These dedicated .22 AR-15s are increasing in popularity as the price of 5.56 ammo continues to climb.  This particular charging handle addresses some of the function issues that are unique to these .22LR chambered AR-15s.

See the preview on AR15.com.

Soldier System Shows the Upcoming US Palm AK Grip

Check out the upcoming US Palm AK Grip at Soldier Systems.

This grip looks like just what the doctor ordered for AK users. I have used the Tango Down grip for the AR-15 that is the same shape. It does a great job of driving the hand high on the grip so you can really drive the rifle.

Magpul MOE Illumination Kit

The MOE Illumination Kit is available at dealers now! These will make mounting a light on the MOE handguards even more user friendly. The item that most interests me is the cantilever rail. This rail will allow the user to mount the light slightly more forward on the handguards. This can make a big difference, especially for those who run their hands out further on the handguard (closer to the muzzle).

Hopefully, Magpul will offer this cantilever rail separately someday and get the midlength MOE handguards out to dealers soon.

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