New Here + First 300 BLK Build

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gnumadic
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Location: Chattanooga, TN

New Here + First 300 BLK Build

Post by gnumadic » Sun Jun 03, 2018 8:25 pm

Hi, new to the forum (first post but occasional lurker). I just completed my first 300 BLK pistol build (third AR platform weapon with the first two being rifles in .223 Wylde and 6.5 Grendel). Pics and build list below. I'm running supers right now but have plans to go suppressed later (have yet to pull the trigger on the trust/stamp process). I've only put a couple boxes through it so far, but once I got the gas block adjusted it ran flawless (both select fire and echo mode). Collapsed length is 22.5".

Image
Image

Upper:
  1. BCM MCMR-7 (M-LOK® Compatible* Modular Rail)
  2. Ballistic Advantage Modern, Distinct Rigid Pattern, Barrel, 300 Blackout, 8", 1:7
  3. Toolcraft 5.56 NATO Black Nitride Bolt Carrier Group (Carpenter Steel Bolt)
  4. SLR Rifleworks - AR-15 Sentry S7 Adjustable Gas Block Steel Set Screw
  5. BCM GUNFTR CHARG HNDL 556 MOD4X4 AMB
  6. Troy Folding Battle Sight Front w/ HK Style Housing and M4 Post
  7. Aero Precision Stripped Upper Receiver
  8. Arisaka Hand Stop
  9. Aero Precision Upper Parts Kit
  10. Spike's Tactical Pistol Length Gas Tube
  11. Wilson Combat Ejection Port Dust Cover, Black Armor-Tuff, .300BLK Blackout
  12. BCA .308 A2 Flash Hider
Lower:
  • Fostech Echo AR-II Drop In Trigger For The AR-15 Rifle
  • MAXIM CQB PISTOL/PDW BRACE STD BLK (w/H1 Buffer/Spring)
  • Aero Precision AR15 Stripped Lower Receiver, Special Edition: PEW
  • Troy Folding Battle Sight Rear
  • CMMG LPK 556 WITHOUT GRIP/FIRE CONTROL
  • B5 Systems P-Grip, Black
  • BCM GUNFIGHTER TRGGR GUARD MOD 0 BLK
--
“Freedom is living without government coercion. So when a politician talks about freedom for this group or that, ask yourself whether he is advocating more government action or less.” - Ron Paul

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TreeTopFlier
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Re: New Here + First 300 BLK Build

Post by TreeTopFlier » Mon Jun 04, 2018 5:40 pm

Nice looking build, I shot one of those pistol brace stocks the other day and its very nice for what it is. Little out of my price range though. Congrats on the build.
I build the #TTFPowderStand for the Lee Turret Press

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MinimalistNutter
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Re: New Here + First 300 BLK Build

Post by MinimalistNutter » Mon Jun 04, 2018 7:32 pm

Great looking pistol, welcome from another new guy.

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gnumadic
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Location: Chattanooga, TN

Re: New Here + First 300 BLK Build

Post by gnumadic » Mon Jun 04, 2018 10:59 pm

Thanks! The SB Tactical version is similar/cheaper but not quite as compact. But the reason I chose the Maxim brace is that you can convert it easily by just sliding off the brace and sliding Maxim's stock right in (thinking I'd SBR it down the road). However, I'm seriously rethinking that since I live right along state lines. It may well be better to just keep it as a pistol rather than have to go through BATFE notifications when I want to cross the border. And to your point it works well no matter how you use it.
--
“Freedom is living without government coercion. So when a politician talks about freedom for this group or that, ask yourself whether he is advocating more government action or less.” - Ron Paul

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Flatliner
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Re: New Here + First 300 BLK Build

Post by Flatliner » Tue Jun 05, 2018 5:38 pm

Great looking build.

blaster
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Re: New Here + First 300 BLK Build

Post by blaster » Tue Jun 05, 2018 10:57 pm

very nice build. 8)
peace through superior firepower

10ring1
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Re: New Here + First 300 BLK Build

Post by 10ring1 » Wed Jul 11, 2018 9:56 pm

Sweet! Bet she shoots.

cdakers
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Re: New Here + First 300 BLK Build

Post by cdakers » Thu Jul 12, 2018 9:37 am

gnumadic wrote: It may well be better to just keep it as a pistol rather than have to go through BATFE notifications when I want to cross the border. And to your point it works well no matter how you use it.
You permission slip for border crossings can cover up to 1 year at a time. Send the form in once a year and you're done.

TexasEric
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Re: New Here + First 300 BLK Build

Post by TexasEric » Fri Jul 27, 2018 6:51 am

How does echo mode work?

Does it function as a burst, or act like a full auto?

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AndrewRose
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Re: New Here + First 300 BLK Build

Post by AndrewRose » Fri Jul 27, 2018 3:32 pm

Nice pistol. I'm in the process of getting mine sorted out now.
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