Decoding The Nuances Of The AR-10 Lower

[Talyn]

Understanding the AR-10 lower receiver is key to getting the rifle you want.​

Decoding The Nuances Of The AR-10 Lower

Understanding the AR-10 lower receiver is key to getting the rifle you want. Find out more about this key feature of the larger-caliber AR.

gundigest.com

Top: ArmaLite pattern lower receiver, note the angular rear cut.
Bottom: Palmetto State Armory DPSM pattern lower with elliptical cut.

 

[10mmLife]

Understanding the AR-10 lower receiver is key to getting the rifle you want.​

Decoding The Nuances Of The AR-10 Lower

Understanding the AR-10 lower receiver is key to getting the rifle you want. Find out more about this key feature of the larger-caliber AR.

gundigest.com

View attachment 19474
Top: ArmaLite pattern lower receiver, note the angular rear cut.
Bottom: Palmetto State Armory DPSM pattern lower with elliptical cut.

I use both styles of receivers and it can get tricky when it comes to upper receivers because the lower receiver back cut can be ArmaLite but the barrel nut threads may have a DPMS thread pitch which have 16tpi and Armalite has 18tpi. BCGs are also specific to the barrel extension of either the DPMS or Armalite style. My AR .308 rifles both take a DPMS style barrel so finding parts is a lot easier.

 

[Bassbob]

Fine. Imma have to build one of these now.

 

[HansGruber]

Fine. Imma have to build one of these now.

Pro tip:

Buy a matched receiver set. Aero makes good ones.

 

[Bassbob]

Pro tip:

Buy a matched receiver set. Aero makes good ones.

Sounds like solid advice brother.

 

[10mmLife]

Sounds like solid advice brother.

The Aero M5 set is really easy to get all the correct parts for.

I'd personally try and stick with a DPMS profile upper as there are way more options for barrels and BCG's.