Primary Arms: Last Day To Save 12% Off Sitewide

Primary Arms 12% Off Sitewide

Click here to see deals on Aero Precision M5 M-LOK rails

If building a lightweight, minimalist AR-10 is your plan, then you can’t go wrong with the Aero Precision M5 S-ONE handguard. It features the same design as the AR-15 version, just scaled up to be compatible with DPMS high profile receivers. It is machined from 6061-T6 aluminum and can either be had in black anodized or Cerakote FDE. This black anodized model is 12.7 inches long to cover most rifle length low profile gas blocks. This free float handguard is extremely slim with rails in only the important places and M-LOK slots, so you can customize the setup to your preference. With a proprietary barrel nut design, this M-LOK handguard will tighten down without fear of coming loose. Build your new .308 with the Aero Precision M5 Atlas S-ONE.

Note: Not compatible with the M5 Enhanced upper receiver

Bravo Company Manufacturing 5.56 NATO Mid-Length AR-15 Barreled Upper – MCMR-15 – 16″ (Add To Cart For Price)

Whether you’re a high-volume AR shooter or love to build your rifles from scratch, the Bravo Company Manufacturing 5.56 NATO Mid-Length Barreled Upper with MCMR-15 Handguard offers quality MIL-SPEC features ideal for all shooters.


  • 5.56 NATO chamber
  • 16″ Mil-B-11595E steel barrel
  • Manganese phosphate barrel finish
  • M4 feed ramp barrel extension
  • T-marked upper receiver
  • USGI 1:7 twist rate
  • Chrome bore and chamber
  • 3″ Picatinny rail section
  • BCM MCMR sling mount

The Government profile barreled upper from BCM features a 16″  barrel made of Mil-Spec steel material that significantly increases the barrel’s life and performance. A strong

Steiner MPS FDE 3.3 MOA Reflex Sight ($420)

The Steiner MPS 3.3 MOA Micro Pistol Red Dot Sight in Flat Dark Earth is designed for quick target acquisition in close ranges. It features a fully enclosed design machined from light weight and heavy duty aluminum. The MPS Red Dot Sight runs off a CR1632 battery for a total of 13,000 hours. Additionally, it features an auto shut off that turns the sight off after 13 hours to prolong battery life. The Steiner MPS 3.3 MOA Micro Pistol Red Dot Sight is the ultimate CQB handgun optic.