Real Avid Master-Fit Extended & Standard Castle Nut Wrench
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Constructed of titanium coated stainless steel
Fits 1/2 Socket Wrench"
Purpose built and specialized for precise fitment to minimize marring on gun parts
Specifications
Brand
Model
Series
Extended & Standard Castle Nut Wrench
MPN
AVMFESCNW
UPC
813119013843
MSRP
$34.99
Finish
Titanium Coated
Fits
MIL-SPEC AR-platform castle nuts (extended and standard)
Color
Silver
Material
Stainless Steel
Description
The Real Avid Master-Fit Castle Nut Wrench is a gunsmith tool built for assembling AR-15 platform rifles. It is designed to fit MIL-SPEC AR-platform castle nuts, including both extended and standard versions, so builders do not need to rig up generic wrenches for these jobs.
The wrench is made from stainless steel with a titanium coated finish and a silver color. The raw text describes tight tolerances for solid nut-gripping strength and enhanced no-slip control, and it notes a 1/2" drive crowfoot style.
The tool is intended for torquing the most common MIL-SPEC assembly nuts on AR-platform builds, where precise fitment matters.
- Type: Gunsmith tool
- Platform: AR-15
- Fits: MIL-SPEC AR-platform castle nuts (extended and standard)
- Material: Stainless steel
- Finish: Titanium coated
- Color: Silver
- Drive: 1/2" drive crowfoot






