Tango Uniform Echo Zulu Castle Nut Armorer’s Kit
Tango Uniform Echo Zulu Castle Nut Armorer’s Kit
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Stake your AR’s castle nuts faster & more consistently with Tango Uniform’s new Echo Zulu Castle Nut System.
This Armorer’s Kit Includes: one EZ castle nut, a steel armorer’s wrench, a bi-directional staking guide, and a spring loaded, straight-wall center punch.
The patent pending EZ castle nut is made from premium 4140 PH alloy steel and finished in long duration, diamond hard black nitride. It was precision machined on a modern Swiss CNC lathe, to tolerances that meet or exceed the mil-spec TDP, including true class 3 threads. The EZ castle nut features eight co-linear wrench & staking notches, allowing for easier visual alignment, and multiple staking locations with even the largest end plates.
The Armorer's Wrench is precision machined from 4140 alloy steel, heat treated to over 50 Rc, and finished in black oxide to preserve that hardness. This premium tool features a 1/2-inch square drive socket with the same center-to-center distance as a USGI castle nut wrench, so your favorite torque wrench will apply the proper 38-42 FT# when torquing down castle nuts.
The bi-directional staking guide is injection molded from premium glass-filled nylon for enhanced durability. Its small, symmetrical design allows it to index around most QD end plate designs.
The included premium spring loaded center punch features a large, injection molded comfort grip and the knurl textured body has a chrome plated finish for a long-life. The staking punch has a straight-wall design so it won’t tilt inside a precision staking guide. The punch is made from 17-4 stainless steel and finished in long duration, diamond hard black nitride.
The straight-wall staking punch and precision staking guide work in tandem with the unique EZ castle nut design, allowing for strong, consistent staking with minimal risk of damaging other components.
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Let customers speak for us
from 62 reviewsA hard to find item which you had in stock. Order placed in the am and shipped the same day. Quality parts and outstanding service!
Shipped same day and was exactly as described! Yall are awesome! Cant wait to buy more stuff!
Heavy duty and well machined.
This company is great! Marvin is an artist, orders sometimes will take a while but rest assured when you do get it, it will be perfect, so if youre a potential customer, be patient. It will be done
I enjoyed all the products so far. I plan to purchase more products in the future, keep up the good work!
I used this tool to build a Nefarious Arms A3 IAR barrel on an MR556 upper, and it was absolutely perfect for the job. It easily held under the required torque specs with zero barrel shift. More importantly, it eliminated any worry about shearing off the index pin, ensuring near-perfect timing after installation.Before this, I attempted to use a Midwest Industries Reaction Rod but found way too much play. The MR556 platform demands tight tolerances, and a generic reaction rod simply doesn't offer the precision needed. Because this tool is made specifically for these barrels, the fit is exact. If you are doing an MR556 build, this is the tool you need.