My C8A3 build

DILLIGAF

BANNED
BANNED
BANNED
EE Expired
Rating - 100%
262   0   0
Location
Alberta
Well I just ordered a C8 Green furniture Canadian Colt today. :p

Now I need to find an old school Eotech and a tri-rail... :redface:

To the guys that deployed with C8's can you post pictures of what it should look like ? I found this on google image..


C8A3_Eotech_by_War_Shark.jpg

0114091121vz7.jpg



Found Some good info on the C8 Barrel,


The 20 makes 3100 fps or 946 m/s with 62 gr. The 15.7 makes 2900 or 890 with the same ammo.

The 20 has a "government profile" light under the hand guards barrel.

The 15.7 has a heavy sleeved barrel, about the same size as the M4 SOCOM barrel.

They both weigh close to 3kg. (20 - 3.31 kg and 15.7 - 2.97 kg)

The carbine is typically more accurate than the rifle because of the heavy barrel out to about 300 m. Beyond that the rifle's velocity has an advantage with wind and stability.

The carbine will also make better hot groups because of the extra thermal mass and the more rigid barrel.

This is also just not true, there are very definitive and measurable results between the two. Nor is it that true that we don't know how to measure barrels.

Small arms barrels have a number of different nodes of vibration. These vibrations cause the muzzle to move. If you shorten a barrel 1 mm at a time and graph the accuracy, results vary in a pattern of larger and smaller groups. The smaller group sizes along that graph are the accuracy nodes.

When you combine the accuracy nodes, with customer requirements, functional requirements such as dwell time and terminal requirements such as stability and velocity, you get what we found to be the ideal carbine length - 15.7 inches.

This is not an inexpensive test to conduct, as you might imagine. This required firing thousands of rounds in a number of samples to be statistically relevant. Further, the C8 has a choke hammer forged into it to improve accuracy and barrel wear. That means this was not a hack saw test, but that each set of test barrels needed to be hammer forged specifically for a pre-determined length.

15.7 inches (as measured from the breech face to the muzzle) is one of the accuracy nodes. 16" is not an accuracy node (though it may be for some steel and some profile), it is an arbitrary legal requirement in the US just as the Canadian 18" length restriction has nothing to do with accuracy or function. With the flash hider, the barrel is just slightly over 17". I suspect the M203A1 sleeve also enhances accuracy just as barrel tuning weights have an effect on group size.

These rifles are not permitted to be sold to the US, nor is it legal to export them because of US export and import laws and our licence agreement with the US state depts. The lengths have nothing to do with US laws. The barrel length was determined exclusively based on performance for a military customer requirement.

Cheers,

Matt

This is not true in the slightest. We have fired tens of thousands of rounds without any issues. It does not increase wear anywhere or decrease reliability in the slightest. The bolt carrier is not weakened and the carrier does not contain high pressure anyway. We have provided thousands of rifles for LE customers with the exact same bolt with no issues - even with .223 vs 5.56 which has much more effect on carrier velocity deltas than any carrier modification.

The design that was chosen removes less than a quarter inch of steel were the auto sear would contact. The semi carrier is the very early Colt AR15 version. Our instrumentation can't even measure the difference in carrier velocity between the two types. In addition, the heavy buffer adds more mass than has been removed from the carrier.

Our reliability is guaranteed based on tens of thousand of rounds fired in statistically significant samples of this semi carrier compared with hundreds of thousands of rounds fired through automatic carriers.

It is an internet myth that a semi carrier has any effect on reliability.

It's a bit more drawn out and complicated than that. Colt Canada supplies several NATO countries.

The C8 SFW started out as a prototype for UK SF and became known as the SFW after four more NATO country's SF adopted it. There were two sleeves: one for simon grenades and one for a particular brand of suppressor. The original SFW also used a heavy solid forged gas block/front sight forging.

Many of these were sold with KAC RAS.

The C8 was a pencil barrel with C7 style carry handle upper. It was made on a standard mandrel for the hammer forge.

The SFW used a proprietary improved chamber design that required a new carbine mandrel, a longer barrel for improved velocity and a heavy barrel for increased rigidity and more thermal mass. All carbines use this chamber now. The barrels were tested at different lengths for maximum accuracy nodes, hence the 15.7 length.

The C8A2 was a heavy barrel 14.5 in carbine with a weaver upper for the Dutch and was often called the Dutch barrel. The majority of early police sales used C8A2 with 1913 uppers.

Canada adopted a flat top before the US adopted 1913. The weaver was more accurate and consistent. The new NATO rail standard uses some weaver features.

The CF adopted the new improved chamber for C8's but did not designate a new weapon. There was a small 2 roll marked on the barrel to indicate improved carbine chamber - but they kept the pencil barrel.

The C8A1 was a pencil barrel with a flat top upper.

The CF then adopted a small QTY of C8FTHB for urgent operational requirements which was essentially an SFW - but with weaver upper, and a M203A1 sleeve. There were also a few upper kits. These were ones that may have been painted.

The sleeve is required to be milled from pre-hardened steel to be able to handle the loads required. This makes it quite expensive and hard to machine - particularly in small QTY.

Later, after the C7A2 mid-life program was running, to consolidate the fleet, the CF adopted the C8A3 - essentially a C8FTHB with ambi controls to match the C7A2, Canadian average green furniture, etc.

The reason that these were so successful is that Diemaco was a full MILSPEC facility, NATO AQAP certified, contained a full test and evaluation centre and was willing to do R&D and produce short run, specialized products and test and certify them to the NATO standard. Canadian MILSPECS often exceed US or NATO specs - for example Cold testing. US MILSPEC is for 36 below, Colt Canada tests to 65 below. To make a rifle suitable for arctic ops, the chrome was upgraded to a thicker, more ductile hard chrome that performs well in extreme high and extreme low temperatures.

These barrels outperformed all competitors in the UK trials and in fact were the only rifles that did not need to be re-barrelled. Some trial guns were used operationally after the tests were concluded. To put it in perspective, the testing cost more that the contract was worth.

As a comparison Colt's produces about 650 rifles a day which would be a month's production for Colt Canada. The barrel steel for the Colt Canada cold rotary hammer forged barrels is the best in the world. The steel un-drilled blank costs more that a completed chromed M4 barrel. Each barrel, bolt and extension are MPI and marked with a batch number for tracking as extensive destructive testing is done on every batch. Every barrel is air gauged twice, scoped twice and every one is test fired.
 
Last edited:
So who's lieing about the green furnature?
Is it a green furnature kit you have to buy on top of the price of the rifle?
My C8 looked the same except I ran the issued very grip, same flashlight but mine had a lazer
 
Last edited:
Im dealing with Andrés Gonzalez at Korth and he said they will just swap the furniture to the green no extra cost.
 
Im in Esquimalt at CE, and I dont know anyone here yet. Just got posted a few weeks ago....

But if eotech were used, I rather put that on it then that Sh!tty Elcan... lol..
 
Im in Esquimalt at CE, and I dont know anyone here yet. Just got posted a few weeks ago....

But if eotech were used, I rather put that on it then that Sh!tty Elcan... lol..

Haha, also the Elcan will probably cost your left nut. Beat up used ones with spent tritium go for about $400-500 on EE, *uck knows why.
 
Haha, also the Elcan will probably cost your left nut. Beat up used ones with spent tritium go for about $400-500 on EE, *uck knows why.

My left nut is spoken for. My Specter Dr took it... lol... Im not paying 500$ for that ever... lol...

Nevermind what we're issued. Put something that works best for you; it's your gun after all.

I want to be as authentic as possible. Just beacause I guess... lol...
 
The MP who work garrison have EoTechs on them for IARD and policing purposes, the MP field Pls have either iron sight, EoTech or Elcan, which ever the soldier prefers. I run irons unless doing my PWT 3 and 4.
 
C8a3 ships with an EoTech 552 but lots of units swap them out for the Elcan. The current issued flashlight is the M3X in the picture.

Tri Rails are unobtanium pieces of garbage.

Korth is swapping in green Diemaco furniture or aftermarket? Early C8A3s shipped with black handguards that had been painted green. In fact I'm not sure that I've actually ever seen the green fibreglass type like comes on the C7A2.
 
the MPs have new rifles? i would have thought they would be on the bottom of the priority totem pole as regards to getting new stuff...

I was pretty busy last night so I didn’t get a chance to snap a pic, but yeah, pretty nice looking, all had Eotechs, furniture didn’t appear to be painted, all looked VERY new.
 
the MPs have new rifles? i would have thought they would be on the bottom of the priority totem pole as regards to getting new stuff...

I'm not feeling the love over here!

Tangent: Reserve MPs have been amalgamated under the umbrella of their respective (Regular Force) MP Regiment. While the reserve platoon still get last pick in the Regiment, it means that in practice we get new weapon systems before the rest of the local Brigades.

We just got the Eotechs 2 weeks ago and we will be shooting with them for the first time this week end. We've had Sigs for a while, had the C7A2s before anyone locally (now replaced with the C8's), have C9A2s and shotguns.

We are also not opposed to lending weapon systems to local units when they make the request for them. We lent 40 A2s a couple years to a local infantry Regiment who wanted the collapsible stock for some simunition CQB shoot. Just ask your Ops guy to get in touch with us.

I'm also very keen on increasing the level of interaction between our platoon and the rest of the Brigade. We will be pushing for a few things on our side to try and make that happen.

PM me if you want and I'll tell you where to find me on the DIN.

/Tangent
 
Just got the call from Korth, Waiting on BC CFO transfer....

Did they give you a reference number already?

Interesting. Just did some snooping around online and I found a BCM Standard 16" C8 SFW (Special Forces Weapon) Upper Receiver Group. Pretty neat they use this in the description:

"The Canadian C8 SFW (Special Forces Weapon)."

w ww.bravocompanyusa.com/BCM-Standard-16-C8-SFW-Upper-Receiver-p/bcm-urg-c8-sfw-16.htm
 
Did they give you a reference number already?

Interesting. Just did some snooping around online and I found a BCM Standard 16" C8 SFW (Special Forces Weapon) Upper Receiver Group. Pretty neat they use this in the description:

"The Canadian C8 SFW (Special Forces Weapon)."

w ww.bravocompanyusa.com/BCM-Standard-16-C8-SFW-Upper-Receiver-p/bcm-urg-c8-sfw-16.htm

the JTF 2 pers I've had train and have us hold their weapons were not those barrels. They use the C8 CQB barrels
 
Back
Top Bottom