Palmetto State Armory 10.5'' AR Upper HD Review

Published on October 5, 2012
Duration: 6:15

This review provides an expert-level analysis of the Palmetto State Armory 10.5" AR Upper, featuring detailed technical specifications, performance data from chronograph testing, and insights into NFA regulations. The speaker's high authority level is evident through their in-depth knowledge of barrel manufacturing and ballistic testing.

Quick Summary

The Palmetto State Armory 10.5" AR Upper is built for CQB effectiveness up to 200 meters, featuring a durable hammer-forged chrome moly vanadium barrel with a 1:7 twist for 5.56 NATO. It includes a heavy, chrome-lined BCG for enhanced reliability and is subject to NFA regulations if classified as an SBR.

Chapters

  1. 00:00Introduction: PSA 10.5" AR Upper Review
  2. 01:10Performance and Range Limitations
  3. 02:25Technical Specifications Breakdown
  4. 04:57Chronograph Testing with Ammunition

Frequently Asked Questions

What are the key technical specifications of the Palmetto State Armory 10.5" AR Upper?

The PSA 10.5" AR Upper features a hammer-forged chrome moly vanadium barrel with a 1:7 twist rate, chambered in 5.56 NATO. It includes extra-thick chrome lining, a heavy bolt carrier group (BCG) with a chrome-lined carrier and gas key, and forged upper receiver components.

What is the effective range of a 10.5-inch AR upper?

A 10.5-inch barrel is primarily designed for Close Quarters Battle (CQB) and remains effective out to approximately 200 meters. Beyond this distance, the significant velocity loss from the short barrel will noticeably impact both accuracy and terminal ballistics.

What are the NFA regulations concerning barrels under 16 inches?

Barrels shorter than 16 inches on rifles typically classify the firearm as a Short-Barreled Rifle (SBR) under the National Firearms Act (NFA). Possession of an SBR requires a tax stamp and registration with the ATF. AR pistols are an exception if configured correctly.

How does a heavy BCG affect an AR-15 upper?

A heavy bolt carrier group (BCG) can sometimes improve the reliability of an AR-15, particularly with suppressed fire or when using an adjustable gas block. The shot-peened, chrome-lined components in this PSA upper suggest a focus on durability and consistent operation.

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