PSA .338 ARC Pistol First Impression | Will it Replace the 300BLK?

Published on September 19, 2025
Duration: 6:43

This video provides a first impression of the PSA .338 ARC pistol, a new firearm chambered in the .338 ARC caliber, which aims to offer improved performance over the .300 Blackout. The presenter details the pistol's features, including its 8.5-inch barrel with a 1:8 twist, H&R HR15 brace, A2 grip, and ARC branded bolt carrier group. It also discusses the .338 ARC cartridge's design goals, magazine compatibility (specifically mentioning 400 Legend DURAMAG and Grendel mags), and suppressor considerations.

Quick Summary

The PSA .338 ARC pistol is a new firearm chambered in the .338 ARC caliber, aiming to outperform the .300 Blackout. It features an 8.5-inch barrel with a 1:8 twist and is designed for minimal gas system tuning when switching ammo types. Compatibility includes 400 Legend DURAMAGs and potentially 6.5 Grendel mags, with specific suppressor requirements.

Chapters

  1. 00:00Introduction & First Impressions
  2. 00:05PSA .338 ARC Pistol Overview
  3. 00:12The .338 ARC Caliber Explained
  4. 00:30Basement Operator Merch & Community
  5. 01:21Song Recommendation: Doom by Bring Me the Horizon
  6. 01:34PSA .338 ARC Pistol Features
  7. 02:01Barrel Specs: 8.5" 1:8 Twist
  8. 02:15H&R HR15 Brace Discussion
  9. 03:00Grip and Lower Receiver
  10. 03:07Upper Receiver & Bolt Carrier Group
  11. 03:22.338 ARC & 6.5 Grendel Relationship
  12. 03:37Magazine Compatibility: 400 Legend & Grendel
  13. 04:04Rail System and Barrel Details
  14. 04:22Price Point and Value
  15. 04:34.338 ARC vs. .300 Blackout Performance Goals
  16. 05:03Suppressor Compatibility Concerns
  17. 05:46Future Testing Plans
  18. 06:23Outro & Call to Action

Frequently Asked Questions

What is the PSA .338 ARC pistol?

The PSA .338 ARC pistol is a new firearm chambered in the .338 ARC caliber, developed by Palmetto State Armory. It features an 8.5-inch barrel with a 1:8 twist rate and is designed to offer improved ballistic performance compared to cartridges like the .300 Blackout.

What is the .338 ARC caliber designed to do?

The .338 ARC caliber is intended to provide enhanced performance over the .300 Blackout. A key design goal is to minimize the need for gas system tuning when switching between subsonic and supersonic ammunition, a common adjustment required for .300 Blackout.

What are the barrel specifications for the PSA .338 ARC pistol?

The PSA .338 ARC pistol is equipped with an 8.5-inch barrel featuring a heavy profile and a 1:8 twist rate. This configuration is considered optimal for stabilizing the heavier and longer projectiles associated with the .338 ARC cartridge.

What magazines are compatible with the PSA .338 ARC pistol?

PSA specifically recommends the 400 Legend DURAMAG for 100% effective function in the .338 ARC pistol. While not officially stated by PSA, 6.5 Grendel magazines are also expected to be compatible with this platform.

What are the suppressor considerations for the .338 ARC caliber?

Suppressor compatibility for the .338 ARC is specific. It requires suppressors rated for .338 caliber or .45 caliber. Some 9mm suppressors might also work, but users must verify the manufacturer's specific caliber ratings and pressure handling capabilities.

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