Ballistic Advantage 5.45×39 AR Upper Receiver

I got into the 5.45 arena a few months before the ATF reclassified 7N6 as armor piercing and never got to fully appreciate the “poison bullet.” At the time, military surplus 5.45 7N6 ammo could be had for just slightly more than .22LR, unless you were willing to do the Neckbeard thing and wait at Walmart every morning at 6am. Paying less than 2 cents per round more than .22LR for regularly available ammo that was an actual centerfire rifle round seemed like an obvious good idea at the time.

The ATF’s reclassification of 7N6 as armor prevented further importation of that ammo into the U.S.

Although in August a judge ruled in the ATF’s favor during a court challenge to the 7N6 reclassification and subsequent importation ban, the inevitable changes that will take place in the upper levels at the Department of Justice and ATF after January 20th make it possible that 7N6’s designation of armor piercing could be changed. If that does happen, I will be shooting 5.45 again.

Enough bullshit. Let’s get the the item at hand.


Like any good consumer, I started out my researching my options. I read several positive reviews about the now discontinued Smith & Wesson 5.45 upper receiver, but after seeing that those were no longer being made I started looking for other options. One name continued to pop up when I was researching 5.45 ARs- Ballistic Advantage. BA made Spikes Tactical’s 5.45 parts which was another very positively reviewed 5.45 offering. I stumbled upon Ballistic Advantage’s website and saw they were selling complete upper receiver groups. I quickly purchased one remembering the few threads I had read where 5.45 uppers had sold pretty quickly.

Shipping and processing was fast and my Ballistic Advantage URG arrived last week. I ended up getting a stripper lower from Aim Surplus and a lower build kit from PSA.


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New Generation Inforce WML

I’ve realized that I post here far less than I should. Recently a few members of who I respect greatly have discovered that blogs are a better format for the information they are attempting to share. That has encouraged me to update this blog more often and I am adding Nick and Ryan’s blog (Science of the Gun) and Billy’s blog (AZ Rifleman) to the links of this site.

I have posted some useful threads in the Technical Forums at, so an easy way to populate this blog with relevant info is to consolidate the information those discussions have driven.

My first attempt at this will be my review of the revamped Inforce WML.

I had a third gen. Inforce WML in the sand colored polymer. I knew that there had been reports of the sand polymer cracking, but it was a screaming dream on Amazon compared to the black and FDE WMLs and I needed something with white light and infrared (IR) light for use with night vision.

Anyways, the polymer begins to crack near the bezel, I finally get around to contacting Inforce on September 30th, and after a few exchanges of emails that day I have a RMA and their customer service rep has asked what color light I want for my replacement since they are no longer making lights with the sand colored polymer. I think I returned the cracked light on October 3rd or 4th.

October 14th  the replacement shows up. They sent me a Gen. 4 WML to replace the Gen. 3 WML and the Gen. 4 is a noticeable improvement over its predecessor. The toggle switch between IR and Vis feels tighter and locks into place requiring slightly more force to change. The safety now locks into place with an audible click sound. The threads are metal as opposed to the polymer threads of the earlier WML.


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