LWRC SMG 45 - SHOT Show 2020

Published on January 28, 2020
Duration: 14:01

This video provides an in-depth look at the LWRC SMG 45 pistol caliber carbine, showcased at Shot Show 2020. Adam from LWRC details its delayed blowback operation, ambidextrous controls, and compatibility with HK UMP magazines. The discussion also touches on its potential for SBR configurations and the challenges of tight manufacturing tolerances.

Quick Summary

The LWRC SMG 45 utilizes a delayed blowback operating system to manage recoil from the .45 ACP cartridge, offering a smoother shooting experience. It is compatible with HK UMP magazines and features ambidextrous controls and a non-reciprocating charging handle.

Chapters

  1. 00:05Introduction to LWRC SMG 45
  2. 00:11Caliber and Configuration Options
  3. 00:44SBR and Pistol Brace Discussion
  4. 01:44Key Features: Charging Handle & Bolt Catch
  5. 02:30Ambidextrous Controls and Lower Receiver
  6. 03:08Takedown Pins and Internal Rigidity
  7. 04:06Delayed Blowback Operation Explained
  8. 04:46Bolt Reciprocation and Recoil Mitigation
  9. 04:53Suppressor Use Considerations
  10. 05:32Magazine Release and Magazine Compatibility
  11. 05:46HK UMP Magazine Discussion
  12. 06:11US-Made Magazine Modifications
  13. 06:47Magazine Reliability and Retrofitting
  14. 07:13Range Test: 5,000 Rounds
  15. 08:07Production Status and Backlog
  16. 09:04Addressing Production Demand
  17. 09:46Parts Interchangeability and 9mm Variant
  18. 10:06Future 9mm Conversion Kit
  19. 10:15.357 SIG and .40 S&W Possibilities
  20. 10:35Development Timeline and Market Demand
  21. 11:00UMP Aesthetics and Design Influence
  22. 11:35Accessory Mounting System
  23. 12:20Addressing Online Criticism ('Trolls')
  24. 12:36Muzzle Threads and Protector
  25. 12:51Magazine Well Dimensions and Caliber Fit
  26. 13:239mm Variant Magazine Compatibility
  27. 13:34Conclusion and Thanks

Frequently Asked Questions

What is the operating system of the LWRC SMG 45?

The LWRC SMG 45 operates using a delayed blowback system. This design helps to manage the recoil of the .45 ACP cartridge, contributing to a smoother shooting experience and allowing for a lighter bolt carrier group.

What magazines does the LWRC SMG 45 use?

The LWRC SMG 45 is designed to accept HK UMP magazines. LWRC also offers their own branded magazines, which have been modified with improved springs and internal tabs to enhance reliability.

Can the LWRC SMG 45 be configured as an SBR?

Yes, the LWRC SMG 45 can be configured as a Short-Barreled Rifle (SBR). While LWRC cannot build factory SBRs due to demand, users can legally convert it using Form 1 applications and attaching appropriate stocks.

What are the key ergonomic features of the LWRC SMG 45?

The SMG 45 features ambidextrous controls, including a bolt catch and selector, designed for intuitive operation by both right and left-handed shooters. It also has a non-reciprocating charging handle with a spring-loaded return.

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