Knight's Armament Silent Revolving Rifle

Published on December 15, 2025
Duration: 1:10

The Knight's Armament Silent Revolving Rifle, or R-Squared, was designed for near-total silence, 1.5 MOA accuracy, and evidence concealment by retaining spent brass. It utilizes a custom sabot cartridge with an O-ring mechanism to seal the cylinder gap during firing, ensuring quiet operation and accuracy. This innovative design addresses unique tactical requirements for covert firearm use.

Quick Summary

The Knight's Armament Silent Revolving Rifle (R-Squared) was designed for silence, 1.5 MOA accuracy, and evidence concealment. It uses a custom sabot cartridge with an O-ring that seals the cylinder gap during firing, preventing gas escape and noise, then retracts to allow cylinder rotation.

Chapters

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

Frequently Asked Questions

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

The R-Squared was designed for three key objectives: achieving near-total silence during operation, maintaining a high level of accuracy (1.5 MOA at 100 yards), and preventing the ejection of spent brass to avoid leaving evidence.

How does the R-Squared achieve silent operation and accuracy?

It uses a custom sabot cartridge with an O-ring. This O-ring seals the cylinder gap against the barrel face when fired, preventing gas escape and noise. It retracts after firing, allowing the cylinder to rotate.

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

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

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

The O-ring is crucial for the firearm's performance. It slides forward under firing pressure to create a gas seal at the cylinder gap, enhancing silence and accuracy. It then recedes to allow the cylinder to rotate for the next shot.

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