Knight's Armament Silent Revolving Rifle

Published on December 15, 2025
Duration: 1:10

This entry details the Knight's Armament Silent Revolving Rifle (R-Squared), a unique firearm designed for near-total silence and evidence retention. Expert Ian McCollum explains its specialized sabot cartridge, O-ring gas seal mechanism, and design goals of 1.5 MOA accuracy and brass containment. The R-Squared represents an advanced concept in suppressed firearm technology.

Quick Summary

The Knight's Armament Silent Revolving Rifle (R-Squared) is engineered for extreme stealth, aiming for 1.5 MOA accuracy and complete brass retention. It uses a specialized sabot cartridge with an O-ring that seals the cylinder gap during firing, minimizing noise and preventing evidence left behind.

Chapters

  1. 00:00Introduction to the R-Squared
  2. 00:27Custom Cartridge Design
  3. 00:47Gas Seal Mechanism

Frequently Asked Questions

What are the main design goals of the Knight's Armament Silent Revolving Rifle (R-Squared)?

The R-Squared was designed for near-total silence, exceptional accuracy of 1.5 MOA at 100 yards, and the critical ability to retain spent brass within the firearm, leaving no external evidence.

How does the Knight's Armament R-Squared achieve silent operation?

It utilizes a custom sabot cartridge with a sub-caliber bullet. An O-ring on the sabot seals the cylinder gap against the barrel face during firing, preventing gas escape and reducing noise.

What types of specialized ammunition does the R-Squared use?

The R-Squared employs a custom cartridge featuring a sub-caliber bullet encased in an aluminum sabot. These were produced in both .30 caliber and 7mm variants to meet specific performance needs.

What is the significance of the O-ring on the R-Squared's sabot?

The O-ring is crucial for sealing the cylinder gap against the barrel face when the shot is fired. This prevents gas leakage, contributing significantly to the firearm's silent operation and accuracy.

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