UPDATE: Sig P320 1000 Round Test - Missed Damage

Published on July 16, 2017
Duration: 12:55

This guide details how to inspect a Sig P320 for heat-related cosmetic damage to its polymer frame, as demonstrated by Military Arms Channel. It covers identifying melting near the chamber area, which can occur at barrel temperatures exceeding 300°F. The guide emphasizes the P320's modularity, showing how to easily swap the serialized Fire Control Unit (FCU) into a new grip module for a cost-effective repair, highlighting the firearm's resilience and ease of maintenance for intensive use.

Quick Summary

The Sig P320 experienced cosmetic frame damage during a 1000-round test due to barrel temperatures exceeding 300°F. This melting on the polymer grip module was assessed as purely cosmetic and not affecting reliability. The P320's modular design allows the serialized Fire Control Unit (FCU) to be easily transferred to a new grip module, costing around $40, providing an affordable repair solution.

Chapters

  1. 00:00Introduction & Test Update
  2. 02:40Identifying Frame Damage
  3. 06:11Modularity and Repairability

Frequently Asked Questions

What kind of damage occurred to the Sig P320 during the 1000-round test?

During a 1000-round endurance test, the Sig P320's polymer grip module experienced cosmetic melting on the interior dust cover area. This occurred because the barrel reached temperatures exceeding 300°F during rapid firing, causing slight deformation of the polymer.

Is the heat damage to the Sig P320 frame a reliability issue?

According to the analysis, the observed melting on the Sig P320's polymer frame was purely cosmetic and did not impact the firearm's mechanical reliability or its ability to function safely. The core components remained unaffected.

How does the Sig P320's modularity help with frame damage?

The Sig P320's modular design allows the serialized Fire Control Unit (FCU) to be easily removed from a damaged grip module and installed into a new one. This makes repairs for cosmetic issues like heat damage straightforward and cost-effective.

How much does it cost to replace a damaged Sig P320 grip module?

A significant advantage of the Sig P320's modularity is the affordability of replacing damaged components. A new polymer grip module can be purchased for approximately $40, making it an inexpensive fix for cosmetic wear.

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