PWS MK1-M2-LWR MK1 MOD 2-M Stripper Lower Receiver

All Primary Weapon Systems lower receivers
Primary Weapon Systems PWS MK1-M2-LWR MK1 MOD 2-M Stripper Lower Receiver - Lower Receiver for AR-15 - view 1
Primary Weapon Systems PWS MK1-M2-LWR MK1 MOD 2-M Stripper Lower Receiver - Lower Receiver for AR-15 - view 2
Primary Weapon Systems PWS MK1-M2-LWR MK1 MOD 2-M Stripper Lower Receiver - Lower Receiver for AR-15 - view 3
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Primary Weapon Systems

Overview

The PWS MK1-M2-LWR MK1 MOD 2-M Stripper Lower Receiver is a stripped lower designed for the AR-15 platform, crafted from durable 6061-T6 aluminum. Its ambidextrous controls enhance usability for both left- and right-handed shooters, making it a versatile choice for builders. This lower receiver is most commonly found in builds chambered for .223 Wylde, making it ideal for those looking to maximize their rifle's versatility with different ammunition types.

Specifications

MPNMK1-M2-LWR
ControlsAmbidextrous
Material6061-T6 Aluminum
PlatformAR-15
AssemblyStripped
ColorBlack

Available Merchants(5)

Prices checked

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Palmetto State Armory logo
Palmetto State Armory
Free shipping
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In Stock
$319.99
Classic Firearms logo
Classic Firearms
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Out of Stock
$299.95
BattleHawk Armory logo
BattleHawk Armory
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Out of Stock
$299.95
Brownells logo
Brownells
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Out of Stock
$319.95
Primary Arms logo
Primary Arms
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Out of Stock
$319.95

October 2026 on GunPartPicker

PWS MK1-M2-LWR MK1 MOD 2-M Stripper Lower Receiver ranked #335 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #391 of the 1,222 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (63%, then .223 Wylde 38%), nearly all on carbine-length gas, and nearly all AR-15.

It was hard to find in October 2026, in stock on only 12 of the 24 days we checked, and today only Palmetto State Armory has it in stock. Buying today, the lowest price is $319.99 at Palmetto State 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

62.5%
5.56 NATO62.5%
.223 Wylde37.5%

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