Nathaniel is a history enthusiast and firearms hobbyist whose primary interest lies in military small arms technological developments beginning with the smokeless powder era. He can be reached via email at nathaniel.f@staff.thefirearmblog.com.
Like the .300 AAC Blackout that we discussed earlier, the 7.62×40 Wilson Tactical was intended to be a medium-performance .30 caliber cartridge that would function in standard AR-15 type rifles with minimal modifications, such as a barrel change. Also like the .300 [Read More…]
Previously, we talked about the Soviet 7.62x39mm caliber, which was paired with the famous Kalashnikov automatic rifle. With its much heavier bullet, larger caliber, and lower velocity, the 7.62x39mm contrasts heavily with the US 5.56mm caliber, and US weapons [Read More…]
One of the most ballistically interesting intermediate calibers ever developed is the 6.5 Grendel, developed by Arne Brennan with the assistance of Bill Alexander, and promoted heavily by the latter’s company, Alexander Arms. The 6.5 Grendel is interesting because [Read More…]
By this point, most of my readers will be familiar with the fabulous work being done (almost single-handedly) by Ian McCollum for his site ForgottenWeapons.com, and those who aren’t should click through and subscribe to his channel for some of the best gun-related [Read More…]
I’ve written quite a lot about the ballistics one of the first Western competitors to 5.56mm in the new millenium previously, and you can read that by following the link here. The 6.8x43mm Remington SPC was developed in the early 2000s by MSG Steve Holland and [Read More…]
The US Army has taken one more step towards further improving the reliability of the controversial M16 and M4 series of rifles, according to a TACOM announcement. The Army is introducing a new pattern of magazine to supplant the older black, green, and tan follower [Read More…]
Perhaps the oldest rival of the 5.56mm round is its older brother in the intermediate cartridge world, the 7.62x39mm round developed by the Soviets in the late 1940s from their earlier 7.62×41 M43 cartridge. The 7.62x39mm, despite its age, has maintained a very [Read More…]
What was the first military .22 caliber high velocity infantry rifle round ever developed? Many would name the 5.56mm round designed in the 1950s to that title, but that would be incorrect. In truth, it’s probably impossible to know for sure due to the large [Read More…]
Back in May, Chris Baker released these three videos on DA/SA handguns for the LuckyGunner YouTube channel. They are all of the same high standard of quality I’ve come to expect from Chris, so I recommend my readers watch all three of them before continuing: [Read More…]
Previously, courtesy of The Wound Channel we got our first looks at the stellar ballistics of the 7.62mm M80A1 EPR round, which proved to combine excellent fragmentation with good armor penetration and barrier blind characteristics, while being extremely consistent. [Read More…]
Pistol shooting has never been my strong suit. I have always cottoned more to gravelbelly-style traditional American marksmanship than I have to running and gunning with a fantastic plastic piece. Pistol day for me has always been more on the side of a chore I undertake [Read More…]
“Nathaniel’s starting another series? Oh brother…” Bear with me. I think that there is a lot of rhetoric thrown around with regards to modern defensive/military calibers that exists apart from the necessary additional data and context of the [Read More…]
Today I want to address something that has come up in small arms ammunition development several times in the past 150 years: The small caliber bullet problem. For the sake of this article, I’ll characterize this problem as a perceived trend recognized on several [Read More…]
These days, it’s easy to forget that once upon a time at the dawn of the smokeless powder era there was a huge variety of bolt-action repeating rifles being developed to re-arm the military powers of the world. While the Mauser 98 and its progeny eventually took [Read More…]
Invincible Arms, the Ohio company that purchased Black Forge, LLC, has shut its doors after three years of business, industry sources have told TFB. The company was helmed by industry figure Izzy Anzaldua since early 2015, and made AR-15 rifles, components, and [Read More…]
France, one the world’s first adopters of the bullpup rifle, will officially be abandoning the stockless rifle concept for good, it seems. The competition to replace the venerable FAMAS bullpup rifle has moved forward, and the only competing bullpup design, HS [Read More…]
Since we know that gunshot wounds follow physical laws – Newtonian mechanics, specifically – we can use physical quantities to describe what happens to a bullet when it enters a fleshy target. In a previous post, we were introduced to three physical [Read More…]
One of the primary focuses of my study of modern small arms has been that of their terminal effectiveness, i.e. their “lethality” or “wounding”, although neither of these latter terms are exactly correct. Over the past several years, I have [Read More…]
The National Institute of Justice, the research arm of the US Department of Justice, has released guidelines on the development of new “smart” handguns for law enforcement. The guidelines are intended to help firearms manufacturers produce firearms with [Read More…]
In May of this year, I got the rare opportunity to travel to Heckler & Koch’s headquarters in Ashburn, VA, to take a look at some of the experimental and prototype firearms they have located there in their famous “Grey Room”. It wouldn’t be [Read More…]
We reported previously on the New Zealand Defence Force’s purchase of new LMT-made infantry rifles, but beyond a brief promo video released after the selection was announced, we haven’t yet seen an in-depth look at the rifles, which are based on the recently [Read More…]
In the latest installment of the Indian next generation rifle procurement saga, the nation-subcontinent has decided to forgo their “Excalibur” rifle development program, which consisted of essentially a product-improved INSAS rifle, in favor of a new [Read More…]
We have been covering the US Army’s latest M855A1 and M80A1 “Enhanced Performance Rounds” (EPRs) here at TFB for the past few years. We’ve seen how in independent tests both M855A1 and M80A1 fragment early, thanks to their yaw-independent [Read More…]
One of the early automatic rifles that has caught my interest for several years going now is the Winchester Machine Rifle, also known as the Burton Machine Rifle or the Light Machine Rifle. The Burton – as I’ll call it for the purposes of today’s post [Read More…]
The second generaton R51 handguns have finally made it to the range, but how do they perform? One of the first to record his experiences is YouTuber RyeOnHam, whose video is embedded below: Now, after that poor showing, I am going to stick up for the R51 Gen 2 here and [Read More…]
Myths may come from many places; one of the most common sources of myths is the gap between languages. Translations, no matter how good, are imperfect, and this is especially true when concerning delicate works like poetry or technical documents. Even translations [Read More…]
Note: In this article, I call this mechanical feature “underlug”. However, this is an error. Several friends of mine and I have been discussing the mechanics of firearms operation for close to a decade now, and we misremembered the term [Read More…]
In the first post of the 101 level series on firearms operating systems, we briefly described what the word cycle means in terms of the operation of automatic firearms. However, there’s a lot more to the cycle of an automatic firearm than just the completion of [Read More…]
So far we’ve looked at the most basic concepts in firearms operating mechanisms as part of the 101 series of posts, and some more advanced concepts like locking and bolt configuration in the 201 level entries. However, there is a whole lot more depth to the [Read More…]
In a second surprise move from the Federal Bureau of Investigation, the force has selected Glock USA’s entrant to the competition to select a new pistol for the bureau. In October of 2015, the FBI released a new request for proposal (RFP) soliciting from the [Read More…]
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