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Finally finished building and testing my new toy and is ready to go hunting. The results are impressive. Last Saturday, at the range, got a 0.5" group at 100 yrds using Hornady 123 gr A-Max ammo.
It did not come out cheap and I refuse to add up the cost of all the parts so I don't scare myself on how much I spent on it or if my sweet wife asks, I won't have to lie.
The upper is the one makes it precise. I used a Precision Firearms BHW 16" with a HBAR Profile, threaded muzzle, bead blasted and fluted with a PF Super Match (NiB) Bolt. It was mounted on an Aero Precision Upper that I lapped true using a Brownells lapping tool (yes, it needed it).
I opted for a piston system and chose the low profile Syrac kit that comes with an adjustable gas block and a specially designed matching bolt carrier.
The lower is a Polymer80. I already built two other AR15s using this lower and all perform/work excellent.
A special note: I chose a threaded barrel to be able to install an extended thread protector to protect the muzzle from rough handling. Initially I installed an A2 type flashhidder, but it only acted as a Hopes 9 trap during cleaning. I ended using a simple Savage 10 muzzle protector that fulfills its intended use perfectly.
For the details, here is a list of the components and their sources:
Lower:
Aero Precision Upper:
Syrac Gas Piston and Bolt Carrier:
16 In. Precision Firearms BHW Barrel 720 and Bolt:
11 In. Handguard:
2-7x 33mm Leupold Scope:
Scope: http://www.midwayusa.com/product/890...ippedTodayLink
Leupold Scope base:
Buttstock:
Extended Hinge and Takedown Pins:
Pistol Grip:
Lower Parts Kit:
Roller Cam Pin:
Barrel Thread Protector:
Brownells Lapping Tool:
Added just recently a 3.5 pounds National Match trigger. It was a big improvement!!!!
Also added a Law Tactical Folding Stock Adapter. This is a very ingenious and convenient upgrade that allows to transport your AR15 in a very short bag. It adds an extension to the bolt, and this means added weight, so I don't know if it is going to cycle the way I have it. Most likely I will have to re-adjust the gas chamber/piston. I'll have to go to the range to test. Its big con....it weighs 0.6 Lbs, so now my rifle weighs 8.4 lbs.
Rock River Arms National Match Trigger 3.5 lbs.
Law Tactical AR15 Folding Stock Adapter Gen 3-M AR-15 Folder, $249.05
It did not come out cheap and I refuse to add up the cost of all the parts so I don't scare myself on how much I spent on it or if my sweet wife asks, I won't have to lie.
The upper is the one makes it precise. I used a Precision Firearms BHW 16" with a HBAR Profile, threaded muzzle, bead blasted and fluted with a PF Super Match (NiB) Bolt. It was mounted on an Aero Precision Upper that I lapped true using a Brownells lapping tool (yes, it needed it).
I opted for a piston system and chose the low profile Syrac kit that comes with an adjustable gas block and a specially designed matching bolt carrier.
The lower is a Polymer80. I already built two other AR15s using this lower and all perform/work excellent.
A special note: I chose a threaded barrel to be able to install an extended thread protector to protect the muzzle from rough handling. Initially I installed an A2 type flashhidder, but it only acted as a Hopes 9 trap during cleaning. I ended using a simple Savage 10 muzzle protector that fulfills its intended use perfectly.
For the details, here is a list of the components and their sources:
Lower:
Aero Precision Upper:
Syrac Gas Piston and Bolt Carrier:
16 In. Precision Firearms BHW Barrel 720 and Bolt:
11 In. Handguard:
2-7x 33mm Leupold Scope:
Scope: http://www.midwayusa.com/product/890...ippedTodayLink
Leupold Scope base:
Buttstock:
Extended Hinge and Takedown Pins:
Pistol Grip:
Lower Parts Kit:
Roller Cam Pin:
Barrel Thread Protector:
Brownells Lapping Tool:
Added just recently a 3.5 pounds National Match trigger. It was a big improvement!!!!
Also added a Law Tactical Folding Stock Adapter. This is a very ingenious and convenient upgrade that allows to transport your AR15 in a very short bag. It adds an extension to the bolt, and this means added weight, so I don't know if it is going to cycle the way I have it. Most likely I will have to re-adjust the gas chamber/piston. I'll have to go to the range to test. Its big con....it weighs 0.6 Lbs, so now my rifle weighs 8.4 lbs.
Rock River Arms National Match Trigger 3.5 lbs.
Law Tactical AR15 Folding Stock Adapter Gen 3-M AR-15 Folder, $249.05
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