PSA AR-15 Upper Receiver With FN CHF 10.5'' Barrel & Geissele MK14 Rail Review

Published on July 24, 2019
Duration: 12:59

This PSA AR-15 upper features a 10.5" FN CHF barrel and Geissele MK14 rail, offering a budget-friendly MK18-style build. Accuracy testing showed sub-MOA potential with specific ammunition, achieving a 0.75" group with Gorilla 69gr SMK. The build demonstrated 100% reliability over 700 rounds, suppressed and unsuppressed, highlighting its robust construction and performance.

Quick Summary

The PSA AR-15 upper features a 10.5" FN CHF barrel and Geissele MK14 rail, offering a budget-friendly MK18-style build. Accuracy testing showed sub-MOA potential with specific ammunition, achieving a 0.75" group with Gorilla 69gr SMK. The build demonstrated 100% reliability over 700 rounds, suppressed and unsuppressed.

Chapters

  1. 00:00Introduction: PSA 10.5" FN CHF Upper & Geissele MK14
  2. 01:08Accuracy Testing Setup & Conditions
  3. 02:04Range Performance: Ammo Accuracy Results
  4. 05:12FN Barrel & PSA Gas System Specs
  5. 06:54Geissele MK14 Rail Features
  6. 08:28Receiver Build & Reliability Testing

Frequently Asked Questions

What are the key components of the PSA AR-15 upper receiver reviewed?

The reviewed upper features a Palmetto State Armory (PSA) receiver, a 10.5-inch FN Cold Hammer Forged (CHF) barrel, and a Geissele MK14 9.5-inch M-LOK rail. It's noted as a popular, budget-friendly MK18-style build.

How accurate is the 10.5-inch FN CHF barrel in the PSA upper?

Accuracy tests at 100 yards showed promising results. With Gorilla 69gr Sierra MatchKing ammunition, groups were as tight as 0.75 inches. Federal Premium 55gr Trophy Copper averaged 0.75" to 2.75", and Fiocchi 77gr MatchKing produced 1.25" groups.

What materials and features contribute to the durability of the PSA upper's barrel and rail?

The 10.5-inch FN barrel uses 'machine gun steel', is chrome-lined, CHF, and MP/HP tested. The Geissele MK14 rail is lightweight, M-LOK compatible, features T-markings, QD points, and uses a long barrel nut for rigidity.

What was the reliability performance of this PSA AR-15 upper?

The upper demonstrated excellent reliability, achieving 100% function over 700 rounds fired. This testing included both suppressed and unsuppressed shooting conditions, with consistent 3-4 o'clock ejection when using an H3 buffer.

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