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Lewis Machine & Tool
Overview
The Mars-H Stripped Lower Receiver from Lewis Machine & Tool is designed for the AR-15 platform and accommodates calibers up to .308 Win. This stripped lower features ambidextrous controls, making it user-friendly for both left- and right-handed builders. It is particularly well-suited for builds utilizing a mid-length gas system, which is a popular choice among those looking to optimize performance when chambered in .308 Win.
MARS-H Stripped Lower Receiver - MARS-H 260 Rem/6.5 Cm/7.62 NATO Stripped Lower Receiver
Prices checked
Lewis Machine & Tool MARS-H Stripped Lower Receiver - MARS-H 260 Rem/6.5 Cm/7.62 NATO Stripped Lower Receiver ranked #335 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #267 of the 1,139 lower receivers builders have added. Builds with this lower receiver are split between .308 Win (50%) and 6.5 Creedmoor (50%), mostly on mid-length gas (75%, then rifle-length 25%), and nearly all AR-10.
Availability is good: it was in stock at one retailer or another nearly every day in October 2026, and today all 5 retailers we track have it in stock. Prices barely moved in October 2026, holding around $529.20, so there haven't been real sales lately. Buying today, the lowest price is $529.20 at BattleHawk Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every lower receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Lower Receiver Trends →Check it against the live catalog:
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