AR-15 BS Thread

I really like what I know about them so far. Never built a lower, but considering giving it a try. Thx for the tip.

 

This! On a first build, I tell everyone to order an oops kit, I've built dozens and still keep oops kits and the whatever extras friends may have. Also good idea to have for repairs, though unlikely needed.

 

I think i might pick up a redi-catch so I can use the mag release to lock open the bolt.

 

There isn't much to it. The hard parts (if you can call them hard) are the bolt catch roll pin (already installed in the radian I think) and the front pivot pin detent and spring. And even those are fairly simple with the aid of a cotter pin or in my case ( the 2nd largest roll punch) The radians are super nice and pretty much the gold standard when it comes to ambi lowers. If you're a buy once cry once kinda person then definitely go ahead and buy it.
As other have sad, get the opps parts kit. I mentioned here earlier last week i need to find a detent and spring but didn't want to pay the $8 to get them shipped. Well lucky me found an extra set in my parts bin so I'm all set. Its always good to have those parts laying around if you plan to put together lowers in the future. And trust me, once you build one, you will build another.

 

Well, this makes me want to try it even more now. Thx. I currently have a PSA lower and Aero upper(purchased as a complete lower and complete upper) so this would be a different route.

 

PSA lower to Radian Lower.....Different route is an understatement haha

 

Figured out what I wanted on an inexpensive option. Although, no complaints with the PSA at all. It does what it’s supposed to.

 

LaRue MBT-2S triggers on sale for you guys that like good triggers. I wish they had the straight bow on sale too.

https://www.larue.com/products/larue-tactical-mbt-2s-trigger/

 

I thought they were both on sale

 

This lower will start my next build. Get em while you can!


https://palmettostatearmory.com/psa-...ntent=10022021

 

My Faxon barrel, CMC trigger, Elftmann safties, and PWA castle nuts should be here today

 

What all you got left to complete your build? Well this build at least haha

 

I got the Colt Semi Ambi Safety Selector in the mail yesterday - installed it last evening. Mission Complete on the M4 build.

 

Pics of whole set up?

 

Built on a PSA M4A1 lower I've had for a few years and a BCM 14.5 P/W upper.

 

I need to upgrade the light. Then it will be completed

 

I like!

 

Can't remember if I ever posted the 300 Blackout build after I had it cerakoted.



And, of course, everyone loves the Thompson Twins - Gen 1 and Gen 2 Auto Ordnance Thompsons.

 

Very nice. I’ve been putting off a 300 simply because I don’t feel like having to find a different ammo but it may just be on the list