Product Description
The Real Avid Master-Fit Extended & Standard Castle Nut Wrench is a purpose-built armorer’s crowfoot wrench designed for precise, no-slip engagement on AR-platform buffer tube castle nuts. Constructed from stainless steel with a durable titanium coating, this wrench fits a 1/2 inch drive and delivers confident torque while minimizing marring on gun parts. Its tight tolerances and smart two-sided design handle both extended and standard castle nuts with ease, making it an essential tool for builders and armorers.
Product Highlights
- Purpose-built crowfoot wrench for AR-platform castle nuts (extended and standard)
- Titanium-coated stainless steel for strength, durability, and reduced marring
- 1/2 inch drive interface for use with torque wrenches and standard 1/2 inch drive tools
- Tight tolerances provide solid nut-gripping strength and enhanced no-slip control
- Engineered for precise fitment to common MIL-SPEC assembly nuts
Specs
- Product Type: Armorer’s crowfoot castle nut wrench
- Compatibility: AR-15 buffer tube extended and standard castle nuts; works with 1/2 inch drive torque wrenches
- Drive Size: 1/2 inch square
- Construction/Finish: Stainless steel with titanium coating
- Model: Master-Fit
- UPC: 813119013843
- Manufacturer Part Number: AVMFESCNW
- Brand: Real Avid/Revo
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