BCM BCM Receiver Extension Nut (Castle Nut)AR-15

Specifications

Mfr data
Weight
0.66 oz
finish
Phosphate (Parkerized)
material
High Carbon Steel
mil spec
Yes
warranty
Lifetime
wrench size
Standard AR-15 castle nut wrench
staking type
Traditional staking notches
thread pitch
1-3/16-16 TPI
color options
Black
compatible with
Mil-spec carbine buffer tubes,Commercial carbine buffer tubes
country of origin
USA
BCMLCL-P-6569

BCM Receiver Extension Nut (Castle Nut)

BCM's mil-spec castle nut is machined from high-carbon steel and heat-treated for maximum durability, ensuring it holds up under the most demanding field conditions. It ships with BCM's renowned quality control standards, making it a trusted OEM-grade component used in their own complete rifles.

Castle Nut0.66 oz
Best price today$7.00
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AR-15

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