Palmetto State ArmoryAll Palmetto State Armory lower receivers

PSA AR-15 LOWER - MYRTLEBEACH-15 - Multi Caliber

Palmetto State Armory PSA AR-15 LOWER - MYRTLEBEACH-15 - Multi Caliber - Lower Receiver for AR-15 - view 1

Ships to a dealer, not to you

This is a serialized firearm.

Palmetto State Armory

Overview

The PSA AR-15 Lower - MyrtleBeach-15 is a stripped lower receiver designed for the AR-15 platform, crafted from durable 7075-T6 aluminum with a forged construction. This lower is compatible with multi-caliber builds, allowing builders to customize their rifles to their preferences, and features a standard trigger pin diameter of .154. It's commonly used in builds utilizing a carbine gas system, making it a versatile choice for various shooting applications.

Specifications

SKU4172023
PlatformAR-15
AssemblyStripped
Trigger Pin.154
Material7075-T6 Aluminum
CaliberMulti
StyleForged
FinishHardcoat Anodized

Available Merchants

Price Alert

Log in to set a price alert on this product.

No Available merchants at this time.

Build history on GunPartPicker

Builders on GunPartPicker first added the PSA AR-15 LOWER - MYRTLEBEACH-15 - Multi Caliber to a build in September 2026.

Trending lower receivers →

Updated · from real builds on GunPartPicker

Not sure which lower receiver to pick?

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:

Frequently Built With

The part most often added in each category by the 7 builds that include this one

AR-15 Forged M4 Upper Receiver 5.56mm - AR-15 Forged M4 Stripped Upper Receiver

AR-15 Forged M4 Upper Receiver 5.56mm - AR-15 Forged M4 Stripped Upper Receiver

Upper Receiver$70 · out of stockin 1 build
Strike Industries Enhanced Bolt Catch, Black, Fits AR-10

Strike Industries Enhanced Bolt Catch, Black, Fits AR-10

Bolt Catch$15in 1 build
Aero Precision Billet Trigger Guard - Black

Aero Precision Billet Trigger Guard - Black

Trigger Guard$26 · out of stockin 1 build
Leapers UTG PRO Mil-Spec 6-Position Extension Tube - Matte Bronze

Leapers UTG PRO Mil-Spec 6-Position Extension Tube - Matte Bronze

Buffer Tube$25in 1 build
Expo Arms A2 Rifle Length Buffer Spring

Expo Arms A2 Rifle Length Buffer Spring

Buffer Spring$4 · out of stockin 1 build
Expo Arms AR-15 Carbine Buffer With Red Bumper

Expo Arms AR-15 Carbine Buffer With Red Bumper

Buffer$10 · out of stockin 1 build

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

72.7%
5.56 NATO72.7%
.223 Wylde8.4%
300 Blackout7.1%
.308 Win3.9%
9mm2.1%
Other6%

Gas System

50.6%
Mid-Length50.6%
Carbine25.7%
Rifle11.6%
Pistol10.8%
Blowback1.1%
Other0.3%

Builds Featuring This Part

See all 1 →

Builds in the community that include the PSA AR-15 LOWER - MYRTLEBEACH-15 - Multi Caliber

BuildPartsTotal
2-gun 12.3" multi build
2-gun 12.3" multi		22$1339.51

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!