PSA MOE SBA3 Lower Build Kit

Got your stripped lower and decided on making an AR-15 pistol, or maybe you want to change things up and convert your SBR into a pistol. Then check out this SBA3 lower assembly that features parts from popular and reliable brands. It includes Magpul MOE grip and trigger guard as well as the SB tactical SBA3 adjustable pistol brace. And of course, you get the rest needed for your lower assembly, such as the mil-spec 6-position buffer tube assembly, and a precisely crafted lower parts kit, all from Palmetto State Armory.
Note: Due to ATF rule 2021R-08F, any pistol with a stabilizing brace is considered a short-barreled rifle (SBR), and is therefore considered a National Firearms Act item requiring a federal tax stamp.
Need help? Here’s how to install your lower assembly.

FIRE CONTROL GROUP

AR-15 Hammer
Hammer Spring
AR-15 Trigger
Trigger Spring
Trigger/Hammer Pins
Disconnector
Disconnector Spring

BUFFER TUBE ASSEMBLY

Buffer Tube
Buffer
Buffer Spring
Castle Nut
Latch Plate
Buffer Retainer Detent
Buffer Retainer Detent Spring

TAKEDOWN & PIVOT PIN ASSEMBLY

Takedown Pin
Pivot Pin
Takedown Springs (3)
Takedown Detents (3)

BOLT CATCH ASSEMBLY

Bolt Catch
Bolt Catch Detent
Bolt Catch Detent Spring
Bolt Catch Roll Pin

SAFETY SELECTOR ASSEMBLY

Safety Selector
Selector Detent
Selector Spring

MAGAZINE CATCH ASSEMBLY

Magazine Catch
Magazine Catch Button
Magazine Catch Spring

WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov

Shipping Restrictions
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.

GunBuilders.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.