Forward Controls Design Joint Castle Nut Wrench
$30.00
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JCW (Joint Castle nut Wrench) is a dedicated, heavy duty twin castle nut wrench, precision CNC machined from 4140 steel, heat treated and black oxided, it’s something we’ve always wanted and needed. We couldn’t find one we liked, so we answered our own prayers and made it.
Like many AR users, we used either a heavy and unwieldy armoror’s wrench, or a cheap stamped sheet metal castle nut wench that couldn’t be used with a torque wrench, both work, but neither is great. One is overkill, the other is barely adequate.
The handy JCW combines two castle nut wrenches in one. On one end, it has a conventional 3 lug castle nut wrench, spanning 180 degrees. On the other end, it has a unique two lugs wrench, spaced only 90 degrees apart. JCW measures 3.5″x 1.84″ (at its widest), but is surprising heavy at 3.14oz, due to its 4140 steel construction. JCW was designed from the start to be used with a torque wrench.
On some end plates with QD swivel sockets, the sockets housing masks a good portion of the castle nut’s circumference, and there are occasions where not all 3 wrench notches are accessible. Our own ESF (End plate, Sling adapter, Forward Controls) covers up 1/4 of the castle nut’s circumference (ESF’s QD swivel housing acts as a backdrop to ensure it won’t bend under unforeseen pulling force) JCW’s 2 lug wrench is designed specifically for this task.
JCW has a center socket for use with a torque wrench. TM calls for 38 to 42 ft/Lb of torque to be applied to the castle nut prior to staking in two places, this torque value is conveniently engraved on the JCW as well.
NOTE:
First batch of JCWs are engraved with 38-40ft/Lbs torque value, the correct value is 38-42ft/Lbs. These are sold with a discount.
JCW is proudly designed and made in the US, it is a collaboration between Forward Controls Design and Arson Machine Co, OR.
Additional information
| Weight | 8 oz |
|---|---|
| Dimensions | 4 × 3 × 1 in |
26 reviews for Forward Controls Design Joint Castle Nut Wrench
Only logged in customers who have purchased this product may leave a review.
jtenney (verified owner) –
It’s FCD does it really need a review? Some of the best items on the market
cameronsdean (verified owner) –
Best castle nut tool out there.
Skellytor (verified owner) –
Feels good in the hand and enough weight to be used plenty, fits my castle nut snug. Always love me some FCD.
wiwong90 (verified owner) –
Simple and straightforward tool. I appreciate the engraved torque value so I don’t have to look it up!
Jonathan (verified owner) –
Very solid castle nut wrench – exceptionally well-built and a must-have for installing the FCD ESF or ESF-H due to the QD socket “wings” on either side. It may make contact with your tube threads and cause small scratches, but FCD recently released a new revision with beveled edges to prevent this. The one I received from BTO was the previous revision, but it still fit well with my VLTOR A5 tube and made very little contact with the tube threads.