PSA AR-15 "M4 CARBINE" Stripped Lower Receiver

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Palmetto State Armory PSA AR-15 "M4 CARBINE" Stripped Lower Receiver - Lower Receiver for AR-15 - view 1
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Overview

The PSA AR-15 "M4 CARBINE" Stripped Lower Receiver is a foundational component for any AR-15 build, crafted from durable 7075-T6 aluminum to ensure strength and reliability. As a stripped lower, it provides the essential framework for your rifle, allowing you to assemble the necessary components to create a fully functional firearm. This receiver is frequently utilized in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a versatile choice for builders focused on performance and adaptability.

Specifications

MPN3012020
Material7075-T6 Aluminum
AssemblyStripped
PlatformAR-15

Available Merchants(1)

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$9.99 shipping (free over $99)
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$79.99

October 2026 on GunPartPicker

PSA AR-15 "M4 CARBINE" Stripped Lower Receiver ranked #106 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 #90 of the 1,221 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (94%), mostly on mid-length gas (61%, then carbine-length 29%), and nearly all AR-15.

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $79.99, with no real sale all month. Buying today, the lowest price is $79.99 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

94.1%
5.56 NATO94.1%
.308 Win2.9%
300 Blackout2.9%

Gas System

61.3%
Mid-Length61.3%
Carbine29%
Rifle9.7%

Builds Featuring This Part

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Builds in the community that include the PSA AR-15 "M4 CARBINE" Stripped Lower Receiver

BuildPartsTotal
PSA 16" build
PSA 16"
19$1203.47
PSA 12.5" 5.56 build
PSA 12.5" 5.56
24$946.38
11.5" clone build
11.5" clone
14$739.18

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