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I went with a 7.5" BA Hanson barrel for my build. Before the 7.5 is worthless and will not even penetrate air crowd chimes in, I also have a 8.3" 300blk SBR as well. My go to rifle is a 16" mid length with BA Hanson barrel .

This will be truck, range, fun gun. Range report to follow.


RANGE REPORT

I built this 7.5” upper on Sunday and was able to test fire it yesterday. After running over 140 rds of 5.56 and.223, I am happy to report that there was not one single issue. The gun ran 100%:rock:.

Ammo used:
Federal Fusion MSR 62gr
Speer Gold Dot 62gr
American Eagle 55gr 223
Winchester 55gr 5.56
Remington 45gr JHP
Hornady Frontier 55gr JHP

The gun:

RRA SBR Lower w Larue MBT trigger
MFT Stock
Aero Precision upper
Ballistic Advantage 7.5” Hanson barrel
Aero Precision Atlas 7” rail
Aimpoint Micro H1 on Larue mount
Kak Micro can
Diamond Head BUIS






62gr Speer Gold Dot 50yds:



62gr Speer Gold Dot 25yds


62gr Federal MSR 100yds

This message has been edited. Last edited by: usncorpsman,
 
Posts: 543 | Location: Orange Park, FL. | Registered: November 26, 2000Reply With QuoteReport This Post
I run trains!
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I like it. What BUIS are those?



Success always occurs in private, and failure in full view.
 
Posts: 4213 | Location: Willow Park, TX | Registered: April 14, 2006Reply With QuoteReport This Post
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quote:
Originally posted by SigM4:
I like it. What BUIS are those?


Thanks.

The sights are Diamond Head polymer sights. They sit a little high, but we're just sitting around so they got used. Big Grin
 
Posts: 543 | Location: Orange Park, FL. | Registered: November 26, 2000Reply With QuoteReport This Post
Frangas non Flectes
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I like that setup, looks handy and lightweight.
 
Posts: 9405 | Registered: February 10, 2011Reply With QuoteReport This Post
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posted Hide Post
quote:
Originally posted by usncorpsman:
Before the 7.5 is worthless and will not even penetrate air


The 7.5" barrel is worthless and won't even penetra . . . Oh. Well, just sayin'.

The gun looks great! What's the overall weight on that?


"Ultima Ratio Regum"
Life Member NRA
Member Washington Arms Collectors
The designer of the gun had clearly not been instructed to beat about the bush. 'Make it evil,' he'd been told. 'Make it totally clear that this gun has a right end and a wrong end. Make it totally clear to anyone standing at the wrong end that things are going badly for them. If that means sticking all sort of spikes and prongs and blackened bits all over it then so be it. This is not a gun for hanging over the fireplace or sticking in the umbrella stand, it is a gun for going out and making people miserable with.'
 
Posts: 542 | Location: T-town in the 253 | Registered: January 16, 2013Reply With QuoteReport This Post
Wait, what?
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Nice- nothing wrong with that short a barrel for PDW engagement distances.




NIKE- The Swoosh with a Douche
 
Posts: 8740 | Location: Martinsburg WV | Registered: April 02, 2011Reply With QuoteReport This Post
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quote:
Originally posted by Loswsmith:
[QUOTE]Originally posted by usncorpsman:
Before the 7.5 is worthless and will not even penetrate air


The 7.5" barrel is worthless and won't even penetra . . . Oh. Well, just sayin'.

The gun looks great! What's the overall weight on that?[/QUOTE


It weighs in at 6.6lbs with an empty 20rd PMag.
 
Posts: 543 | Location: Orange Park, FL. | Registered: November 26, 2000Reply With QuoteReport This Post
We gonna get some
oojima in this house!
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I think the 55 grain gold dots work well in 7.5” barrels.


-----------------------------------------------------------
TCB all the time...
 
Posts: 5767 | Location: Cantonment/Perdido Key, Florida | Registered: September 28, 2009Reply With QuoteReport This Post
Telecom Ronin
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Nice...looking at doing something similar as a truck gun, with premium ammo 75m is quite realistic.

Don't suppose you chrono'ed the loads?
 
Posts: 6724 | Location: Back in DFW ....hopefully to stay | Registered: February 12, 2004Reply With QuoteReport This Post
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quote:
Originally posted by dewhorse:
Nice...looking at doing something similar as a truck gun, with premium ammo 75m is quite realistic.

Don't suppose you chrono'ed the loads?


I didn’t choose the two loads based on a super fast velocity. These rounds are know to perform well with expansion and penetration at lower velocities.
 
Posts: 543 | Location: Orange Park, FL. | Registered: November 26, 2000Reply With QuoteReport This Post
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Dear usncorpsman aka Doc nice setup thanks for the pics of your 100 yard group. I have been curious how the 7.5 barrel would do at 100 yards. I have a 10.5 Sig pistol it does well at 100 yards also. When folks try to tell me what a weapon will do or not do ballistic wise I ask them if my round strikes them in their left nut or right nipple will you be able to determine the difference from another weapon or bullet type... VI
 
Posts: 505 | Registered: July 31, 2004Reply With QuoteReport This Post
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