The Aero Precision M4E1 Complete Lower Receiver with ALG QMS Trigger is the perfect base for your AR build. This complete lower features an M4E1 Lower and is upgraded to include a B5 P23 & Bravo Stock.
This 18" rifle length barrel is the perfect addition to your .308 build. Crafted to mil-spec standards from 416R Stainless Steel with a bead blasted finish, this barrel provides time tested precision and accuracy for your .308 rifle build.
Made in USA
Replacement magazines for the FN 509~ Compact. Available in 10, 12, 15, and 24-Rd Mag Kit. The 10, 12, and 15-round magazines are available in black or FDE finishes.
The DuraMag 6.8mm SPC II - 10 Round Magazine features an advanced and durable steel body designed to last in various conditions. This Magazine utilizes LipLock technology to keep rounds secure for optimal reliability.