LWRC SMG 45 - Fixed or still a hot mess?

Published on September 24, 2021
Duration: 22:14

This review provides an in-depth analysis of the LWRC SMG 45, examining its build quality, ergonomics, and critically, its accuracy. The expert assessment highlights potential mechanical design flaws contributing to accuracy issues, despite the firearm's premium features and manufacturing. The reviewer does not recommend the SMG 45 over competitors due to these concerns.

Quick Summary

The LWRC SMG 45 faces significant accuracy concerns, exhibiting vertical stringing and random flyers during 50-yard testing. A hypothesized cause is the short recoil system's 1/4 inch bolt travel before barrel unlock, affecting harmonics. Despite premium build quality, it underperforms compared to competitors like the B&T SPC SBR.

Chapters

  1. 00:00Introduction and Context
  2. 01:45Build Quality and Features
  3. 02:42Ergonomics and Controls
  4. 04:46Accuracy Testing
  5. 08:12Mechanical Teardown
  6. 12:12Root Cause Analysis
  7. 18:20Final Assessment

Frequently Asked Questions

What are the main accuracy concerns with the LWRC SMG 45?

The LWRC SMG 45 exhibits significant vertical stringing and random flyers during accuracy testing at 50 yards, even with quality ammunition. This erratic point of impact is a major concern for a professional-grade firearm.

What is the hypothesized cause of the LWRC SMG 45's accuracy issues?

The reviewer hypothesizes that the short recoil operating system's design allows for approximately 1/4 inch of bolt travel before the barrel unlocks. This delay could lead to inconsistent barrel harmonics and positioning during firing, negatively impacting accuracy.

How does the LWRC SMG 45 compare to other firearms in terms of accuracy?

During testing, the LWRC SMG 45 was compared unfavorably to the B&T SPC SBR 9mm, which produced much tighter groups. The reviewer suggests that more accurate competitors are available on the market.

What are the positive aspects of the LWRC SMG 45 mentioned in the review?

The firearm is praised for its excellent machining, fit, and finish, reflecting LWRC's high manufacturing standards. It also features familiar AR-15 style controls, ambidextrous operation, and a robust build.

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