Item #:
813119013812
UPC: #:
813119013812
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Real Avid Master-Fit 5-Piece Crowfoot Wrench Set AR-15 Torque Tool

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The Real Avid AVMF5WS Master-Fit 5-Piece Crowfoot Wrench Set delivers precision torque control for AR-platform builds and maintenance. This specialized tool set eliminates the guesswork in proper component installation, preventing over-tightening that can damage threads or under-tightening that compromises performance.

What Makes This Different

Unlike standard wrenches that require disassembly of surrounding components, these crowfoot attachments allow torque application in tight spaces around barrel nuts, muzzle devices, and handguards. The heavy-duty torque wrench handle provides consistent readings from 10 to 80 foot-pounds, covering the full range needed for AR assembly. Each crowfoot features laser-etched size markings that won't wear off during repeated use.

Key Features

  • Five crowfoot attachments: 5/8", 3/4", 7/8", 1", and 1-1/8" sizes cover most AR components
  • Heavy-duty torque wrench handle with dual-direction ratcheting mechanism
  • Torque range of 10-80 ft-lbs with ±4% accuracy for precise specifications
  • Heat-treated steel construction resists wear and deformation under load
  • Compact storage case keeps tools organized and prevents loss
  • Compatible with standard 3/8" drive sockets and extensions
  • Gray and red color scheme for easy identification in tool boxes
Professional gunsmiths rely on proper torque specifications to ensure reliability and accuracy. The Master-Fit system handles barrel nut installation at 30-80 ft-lbs, muzzle device mounting at 20-30 ft-lbs, and scope ring tightening without component damage. The crowfoot design maintains perpendicular force application even when the handle cannot align directly with the fastener.

Technical Specs

  • Torque range: 10-80 foot-pounds
  • Accuracy: ±4% clockwise, ±6% counterclockwise
  • Drive size: 3/8" square drive
  • Crowfoot sizes: 5/8", 3/4", 7/8", 1", 1-1/8"
  • Handle length: 11 inches
  • Material: Heat-treated alloy steel
  • Weight: 2.1 pounds complete set
  • Case dimensions: 12" x 8" x 2.5"
The Master-Fit crowfoot system represents the professional standard for AR assembly and maintenance. Proper torque application extends component life and maintains zero retention under recoil stress.