Newsletter – Vol. 4 / Issue 12

Calibers: .223 Rem. / 5.56mm NATO

Weight / Length: 6.3 lbs without Magazine. / 36.125″ (32.375″ with Telestock collapsed)

I’ve had a few customers call me since we introduced the Carbon Fiber rifles saying they were trying to install a free float handguard and the barrel nut would not fit on the upper receiver. The barrel nut on our Carbon Fiber rifles has a different diameter thread than a standard AR15 barrel nut. This area of the Carbon fiber upper was beefed up to make this critical area stronger. In so doing it was necessary for us to increase the size of the threaded area and therefore change the thread on the barrel nut to fit this. The outside dimensions of the barrel nut are exactly the same as a standard barrel nut. Only the inside diameter and thread of the barrel nut was changed. Any carbine length free float handguard that is designed to work on a standard AR15 barrel nut will work fine, but no free float handguards that require the change of the barrel nut will work.

Also for gunsmiths that are trying to remove the barrel on a Carbon Fiber rifle, it is important to have the upper on a barreling device that engages the lugs in the barrel extension. The clamp style vise blocks will not fit the Carbon Fiber upper, and you should never secure the upper by only the upper receiver takedown and pivot pin lugs. Torqueing against the lugs is likely to cause damage to the receiver.. When we barrel the uppers at the factory we only use barreling spuds that engage the lugs in the barrel extension.  Also note that we use a bit of Loctite on the threads. So if you remove the barrel nut it is very important to clean all of the dried Loctite out of the threads on the barrel nut so you don’t risk cross threading during re-installation. It is also recommended to reapply a little red 262 Loctite to this area, and not exceed 30 foot pounds of torque when tightening the barrel nut.

Cleaning/Maintenance

I’ve also had inquiries about whether we offer a cleaning/maintenance video for our rifles. We do not but I don’t think we could offer any video better than the excellent one put out by NSSF. Therefore I always refer people to their YouTube video:

And lastly, we are now offering this excellent tool that makes cleaning your bolt carrier very easy. It is a bolt scraper, firing pin cleaner, scraper for removing carbon inside the carrier, and has a slot to hold a patch for swabbing the inside of the carrier out.

We took a stock Windham AR 10 and added free floating handguard, Seekins Precision compensator, AR 10 Timney trigger 4 pound pull, Vortex Viper scope.
Cathy and Jason L.
PHOTO – Cathy-Jason AR10

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Subject: Windham Carbon Fiber AR
I own 2 AR rifles – a Windham Carbon Fiber and a Colt LE6920 socom M4A1 and love both of them. My Windham is intended to be my light weight carry AR combined with a light weight Nikon scope (P223 3 X 32). It is absolutely a tack driver at 50 yards with hardly ever missing outside the bulls eye on a B27 body target (roughly 1/2 inch grouping). At 100 yards it will shoot with my Colt as well and would do better with a more powerful scope like on the Colt.
Don’t let the light weight carbon fiber fool you, it is a fantastic gun. I have considered selling my Colt and buying a Windham CDI – the 2 Windhams would be awesome. I have owned both for about 2 years so I understand them well. The Windham will shoot about any ammo but the Colt is a bit more picky. I solved that issue by reloading my own for better accuracy.
Ray X.

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Subject: AR15 ‘carbon fiber’ SRCI purchased a W.W. AR15 SRC ‘carbon fiber’ rifle in September. I purchased a ‘cheap’ 3×9×40 with ‘P4’ (similar to mil-dot) reticle, since I want to be able to hit targets, coyotes, etc. out to 300+ yards, but don’t really have the budget for the ‘VEX’ model.
Last weekend was the first opportunity I had to take the rifle out. I  think all of my friends are now finished criticizing my choice of firearm. I was told that the ‘plastic’ gun would break, would malfunction, would wear out, etc., but after sighting in the scope, even with 25+ mph crosswinds, I was still getting great results!
I was using Fiocci 55gr FMJ and Remington 55gr FMJ ammo, but I’m in the process of stocking up on PMC 62gr FMJ, and will be reloading 55gr PSP, Hornady V-max 55gr, and will also try 75gr FMJ, although most people tell me that a 1:9 rate of twist on the barrel won’t stabilize the bullet, but if I always listened to what people say, I probably wouldn’t have bought a ‘carbon fiber’ rifle!
200 rounds through it, last Sunday, and not a hiccup! Even using a Brownell’s 30 round magazine without an anti-tilt follower, I still had no issues. Of course, I was also using the superb W.W. 30 round magazine (WITH the anti-tilt follower), and if I can continue to have these great results with this awesome rifle, I’ll be doing some YouTube videos next spring!
Thank you, and the entire team, for building such a quality firearm at an AFFORDABLE price!

Jerry M.

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Subject: Product Review from Vermont
I purchased an AR15 from MMA guns in Ira, VT about 6 months ago. I have to say I have a good collection of high end hunting rifles and was never a fan of the AR platform until now. I bought this as my son’s first deer rifle. The low recoil, lightweight design and adjust-ability of the stock made it ideal for my 8 year old son. I purchased a 243 win single shot rifle for him as well but after a summer full of shooting he was much more comfortable with the AR15. I topped the rifle with the Nikon 223 3-9 scope and a 5 round hunting magazine and the rifle was ready to go. The reliability is amazing and the quality of the rifle is excellent. With a bit of research I ended up getting the Remington “Hog hammer” 62gr barnes TSX factory load and on the second day of the Vermont youth season my son killed his first deer accompanied by his extremely proud father. The rifle and ammunition combo made a quick clean kill. I have attached some images of my son Finley with his deer (146lb, 6pt) and his rifle. I plan on getting him one of your rifles in .308 in a few years. Keep up the good work.
Adam V.
Pawlet, VT

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