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2,572,924 Views • Jun 3, 2022 • Click to toggle off description
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00:00 - Introduction
00:39 - TLDW
01:18 - NGSW history
04:11 - 6.8x51 / .277 SIG Fury cartridge
09:14 - Suppressor
12:53 - Rifle features and disassembly
23:42 - How it handles 80k psi
28:44 - Conclusions and rollout plans
The NGSW (Next Generation Squad Weapon) program began in 2017 to find a replacement for the M4, M249, and 5.56mm cartridge. It came to a conclusion in April 2022 with the formal acceptance of the SIG M5 rifle, M250 machine gun, Vortex M157 optic, and the 6.8x51mm cartridge. SIG released a handful of civilian semiauto M5 / Spear rifles and thanks to Illumin Arms I have one to examine.
The rifle (Spear is its commercial designation; M5 is the military one) is an evolution of the SIG MCX, which is in turn an evolution of the AR-15 and AR-18 systems. The MCX move the recoil spring assembly into the top of the upper receiver, allowing the use of a folding stock. It also has very easily swapped barrels and a suite of fully ambidextrous controls. Scaled up to AR-10 size and chambered for 6.8x51mm, the MCX became the Spear.
That new cartridge (commercial designated .277 SIG Fury) is designed to produce high muzzle velocities out of short barrel (the M5 has a 13 inch barrel).It does this by boosting the operating pressure up to an eye-watering 80,000psi, which required the development of hybrid case using a stainless steel case head. This allows the case to handle those pressures safely. The currently available commercial ammunition is loaded to lower pressure, however. Much of the military and civilian use of this rifle will be done with downloaded training ammunition, which uses a conventional all-brass case.
Both the M5 and M250 were ordered by the Army with suppressors on every weapon, a significant advancement in Army policy. The can is another SIG development, entirely made using additive manufacturing and designed specifically to prevent gas blowback into shooters' faces (which is succeeds at wonderfully).
Overall, I believe the M5 / Spear is an excellent rifle - soft shooting, reliable, and very accurate. However, that does not mean it is the right rifle for the Army. Will its ability to defeat modern body armor prove worth the tradeoff in extra soldier combat load weight and reduced ammunition capacity? Only time will tell...
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Views : 2,572,924
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YouTube Comments - 9,591 Comments
Top Comments of this video!! :3
US Army: "We've chosen a new service rifle for the future of modern combat."
Ian: "Today on Forgotten Weapons..."
4.7K |
Worth considering that we developed this weapon in anticipation of meeting Russian body armor, to later discover that Russians have never met Russian body armor.
3.3K |
I was an Infantryman in Afghanistan with the 101st and was in plenty of firefights and never once wore ear protection and didn't know another soldier who did. This is fantastic to see suppressors becoming the standard.
428 |
Next service rifle will have three charging handles, so there is absolutely no confusion.
1.9K |
Modern guns: "The charging handle and ejection is swappable from right to left hand"
Sig: "Right ejection only, but we have three charging handles!"
935 |
My favorite feature is the burned off finger prints on the suppressor. That's a great addition.
552 |
Garand originally designed the M1 for an experimental .276 (or so) cartridge. We just go around in circles.
47 |
It is disappointing that basically anyone we see shooting it and commenting on how soft shooting it is, isn’t shooting the full pressure ammunition
3.7K |
“The recoil spring is under a LOT of compression”
Ian then pulls out a comically large spring
1.7K |
Hearing Ian make a comparison to a "gym bro who skips leg day every day" made me laugh a lot more than really made sense.
578 |
The training ammo vs "war time" ammo is going to create so many logistical nightmares
60 |
Ian: "Your Riflemen will carry... more ammo and less of everything else."
Chain of Command: "Hold my beer."
1.2K |
Since the brass deflector is an insert, they should be able to easily make a new insert that handles the training ammo ejection angle better.
1.7K |
They pushed that lightweight ammunition thing for nearly 20 years and in the end it didn't even matter. Imagine how frustrating that must have been for the competitors developing the polymer and ceaseless ammo systems for all that time. Looking at you Textron.
639 |
Would love to see a video on True Velocity/Beretta’s NGSW submission. That was a much more interesting rifle, to me.
390 |
I've seen a ton of "I shot this at the range and here's what I think" videos about the new Army rifle. This is the only one that actually talks about how the dang thing works! Thank You!
1K |
Infantryman: "ounces are pounds"
US Pentagon: "make it bigger and heavier"
455 |
One thing you've said in the past, Ian, is that militaries often develop their next thing (rifle, camo, tank, etc.) to be perfect for the last war but ill suited to the actual next war they get into. The adoption of this rifle and cartridge with body armor penetration being the key requirement means they definitely aren't thinking about the last war. Very few of the adversaries faced in Iraq and Afghanistan wore body armor of any kind. Whether it is well suited for the next war we won't know until the next war.
105 |
I served in the "brown shoe" Army of 1957 where we carried the good old M1 Garand in 30-06. It was "only" 10 pounds, but got really heavy marching out to the field. In simulations of "attack" charging up hills and dales, it got even heavier. The new recruits will need a lot more PT to be able to like this thing. When you fired an M1, you knew the guy on the receiving end was going to be hurt bad. That made everything else not matter so much.
36 |
@CircaSriYak
1 year ago
We’re all glossing over arguably the most shocking part of the rifle; no bayonet lug.
11K |