MARS-H Stripped Lower Receiver - MARS-H 260 Rem/6.5 Cm/7.62 NATO Stripped Lower Receiver

Lewis Machine & Tool Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver - Lower Receiver for AR-15 - view 1
Lewis Machine & Tool Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver - Lower Receiver for AR-15 - view 2
Lewis Machine & Tool Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver - Lower Receiver for AR-15 - view 3
Lewis Machine & Tool Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver - Lower Receiver for AR-15 - view 4
Lewis Machine & Tool Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver - Lower Receiver for AR-15 - view 5
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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.

Specifications

MPNLM308AMSL
PlatformAR-15
Caliber.308 Win
AssemblyStripped
ControlsAmbidextrous
Receiver PatternSR-25

Available Merchants(5)

Prices checked

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BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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In Stock
$529.20
KY Gun Company logo
KY Gun Company
Flat rate shipping
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$536.99
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Brownells
Free shipping
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$545.40
Primary Arms logo
Primary Arms
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$545.40
Palmetto State Armory logo
Palmetto State Armory
Free shipping
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$545.99

October 2026 on GunPartPicker

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.

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Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

50%
.308 Win50%
6.5 Creedmoor50%

Gas System

75%
Mid-Length75%
Rifle25%

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