LMT .308 MARS-H Stripped Lower Receiver

Manufactured by Lewis Machine & Tool
Manufactured by Lewis Machine & Tool
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NOTE: Limit 3 per household. Quantities exceeding 3 will not allow checkout.

Items that are regulated by the ATF have restrictions and requirements:
•Your entire order will ship only to a Federal Firearm License holder.
•Current processing time is approximately 14 to 16 days.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.
•If this firearm includes magazines with a capacity higher than 10 rounds it may not be legal in your state. We will review all order prior to shipping and if your state does not allow the included magazines they will be removed.



The Lewis Machine and Tool MARS-H stripped lower receiver brings the innovative, fully ambidextrous design to the .308 platform. Build your dream AR-10 style rifle with this partially assembled lower. It comes with the ambidextrous magazine release, bolt release, and safety selector already installed, so all you need is your favorite trigger, pistol grip, trigger guard, stock components, and takedown pins to complete your lower receiver. This LMT .308 lower receiver is made from 7075-T6 aluminum and is hardcoat anodized for maximum durability. With .154” trigger pin holes, so you can use your favorite AR-15 trigger whether you are building a .308, 6.5 Creedmoor, or any other large caliber AR. The buffer tube receptacle is also compatible with AR-15 style buffer tubes and stocks, so you have a wide range to choose from. Lewis Machine and Tool MWS lower receivers are made to precise dimensions and therefore, are only guaranteed compatible with LMT upper receivers. Build the ultimate LMT 308 rifle today.

  • Machined from 7075-T6 aluminum
  • Hardcoat anodized black
  • Ambidextrous magazine release, bolt release, and safety selector pre-installed
  • Color-filled selector markings
  • Great for building 7.62x51 or 6.5 Creedmoor
  • Compatible with AR-15 triggers and stocks
  • Only guaranteed to work with LMT uppers

Lewis Machine & Tool is dedicated to provided civilians the same level of quality that they have been providing law enforcement and military for years. With precision manufacturing and rigorous quality assurance, an LMT Defense product will always work when it needs to.
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BrandLewis Machine & Tool
Caliber Marking7.62x51
FinishHardcoat Anodized
Receiver Material7075-T6 Aluminum
Trigger Pin DiameterMIL-SPEC .154

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

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