I am building the AR 15 firearms using the 5.56 Cal NATO/.223 Cal.
When I build a AR15, I spend a lot of time on it, checking each part, using my magnifying glasses tho check each part for fit and finish. I inspect the receiver holes for any debris that may cause issues, the bolt is function checked and when the barrel is installed, a go, no go gauge is used.
The particularly good aspect of a .223 round is that it does not have a strong recoil. This is excellent for ladies and younger adults to handle, also the stock can be adjusted too the length of pull which it's a excellent feature to have.
I have used Rock River Arms parts and the upper and lower receiver made by Aero Precision. The AR 15 is made from quaility parts and no cheap second hand parts are used. As the saying goes you get what you pay for, I have built this AR 15 making sure every part fits correctly, the trigger was cleaned up so it is slick, however it has not been modified. The building of this AR 15 was checked and re checked for any issues which were not found. The upper receiver can accomodate a scope or a handle, or what ever fits on a upper receiver. What I have put on the upper receiver is a carry handle.
The carry handle is a Rock River Arms Manufactured Product. What I like about the upper receiver is the different options you can use, handle, scope, and others.
Manufacture: Aero Precision, which has a excellent background on manufacturing aerospace products, and that detail manufacturing has been used on the lower and flat top upper receivers for years. They only manufacture the receivers and from the reviews, everyone likes using them, other AR 15 businesses are buying these receivers and stamping their name on them. I surmised that if you are good at one thing like building receivers only than you must be excellent in what you do, and with other manufactures using the Aero receivers they must be really excellent.
Manufactured by Aero Precision
Precision machined to M16/M4 specs
Forged, Mil-spec flat top upper
Forged from 7075 T6 aluminum
Matte black hard coat anodized Mil 8625 Type 3 Class 2
M4 feed ramps
.250” takedown pin holes
Accepts standard AR15/M16 components
Quality Made in Tacoma, WA USA
Model R4 Platform
The wrench I use for the barrel nut is this one, it slides in from the front of the barrel and distributes the correct torque on the nut.
I always use new parts, not seconds, not ebay, all new from the factory. I checked all of the Rock River Arms parts, making sure the surace was clean and smooth. The fit and finish of the parts are excellent, I did some Arkansas stoning on the trigger assembly, as I like the trigger really smooth.
I like to make my own tools for the job, it makes everything easier to install, some tools on the market does not do the job the way I want to so I make my own.
I keep all the parts protected, so that no damage will accrue when I am assembling the receiver.
The assembly process is long, everything is checked for fit and finish.
I plan to keep on building the AK 15, and using different calibers.
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