Write up on Brace Built Rifle, Modern Carbine. MC6

[strangedays]

I purchased a Brace Built rifle for the lightweight rifle with some nice features for the price.
Rifle came with a case and t-shirt along with sticker so right off the bat they have you sold (sarcasm for those who can’t tell)
So to start here are the rifle specs.

Specifications:
 

• Mag Well: Wire EDM flared magazine well with accents.
• Gas System: Low profile gas block, mid-length melonited gas tube, gas key with rounded leading edges ensuring positive functioning in all makes and grades of uppers and buffer tube combinations.
• Bolt Carrier Group: Azimuth™ Bolt Carrier Group and bolt. Rounded cam pin rides in a fully chamfered cam path. Properly staked and torqued grade 8 hex screws as per the true Mil-Spec. Carrier body OD and ID are hard turned after heat-treat to +/- .0005 inches. Bolt lugs are machined with the proper radius as per true Mil-Spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure. Outer diameter machined to all critical surfaces within +/- .0005 inches. QPQ Melonite Finish.
• Charging Handle: Radian™ Ambidextrous Raptor – LT
• Safety: Ambidextrous safety
• Bolt Catch: Seekins™ Enhanced
• Mag Release: Seekins Billet
• Buffer tube: Mil-Spec Buffer Tube
• Buffer: H2 Buffer
• Stock: MagPul™ MOE® SL-K™Carbine Stock
• Grip: MagPul MOE® Grip
• Receivers: Lightweight, custom-matched billet upper and lower receivers, monolithic top rail
• Caliber: 5.56mm
• Trigger: Timney™ Competition Trigger
• Barrel: 16” 5.56mm barrel (machined from 4150 Chrome Moly Vanadium Steel and feature a QPQ Corrosion Resistant Finish and Nickel Boron Coated M4 Feed Ramp Extension.
• Handguard: 13” low profile Modern Carbine™ monolithic free float M-LOK® handguard with proprietary barrel nut
• Muzzle Device: SilencerCo™ ASR flash hider
•  

 

First thoughts when opening the rifle up,
It is really Lightweight, nice solid rifle.
The paint was perfect which they let you pick from some choices.
Tight between the upper and lower.
So I got a red dot sight mounted on the rifle and took it to the range.

After only sixty rounds the safety selector came loose and start spinning in circles with every shot. Good thing it was a jp ambidextrous and worked with my index finger.
shot five groups right over 1” at fifty yards.

Shot two hundred rounds through it without any farther issues.

Two weeks later after adding some loctite to the safety selector took it back out to the range with a scope and bench.
I was able to continually shoot five round 1MOA groups at 100 yards with Hornady 72 grain ELD ammo.

Took the scope off and shot another three hundred rounds of various ammo types without a single issue.

The gun is light, great features for the price of $1200. I would recommend it for anyone looking for a lightweight accurate rifle.
All in all well made and designed AR-15.

I do think however not putting loctite on the selector is a big mistake and hopefully one they learn from and change the practice. Spoke to them and they said they will be addressing the problem of the selector. 

Edited July 24, 2020 by strangedays
Added pictures

[strangedays]

Update, they told me the safety selector issue has been taken care of and there team will be making sure it doesn’t happen again. 
also the rifle weighs 5.54 lbs. pretty light. 

Edited July 29, 2020 by strangedays

[Screaminyz]

Nice looking rifle and well worth the price for what your getting. I really like the upper and hand guard. It looks really solid and still is lightweight. I’ve never heard of this company before. Good luck and keep us posted if anything out of the norm happens.


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[strangedays]

I honestly had never heard of them until I saw a review on Rainier Arms YouTube channel.