Midwest Industries AR-15/M4 Stock Wrench

Manufactured by Midwest Industries
Manufactured by Midwest Industries
62 Reviews

In Stock

Standard orders will ship out 2 business days if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



Midwest Industries is a quality manufacturer of tactical weapons accessories. Their goal is to manufacture the highest quality parts at affordable prices backed by a lifetime guarantee.

The AR-15/M4 Stock Wrench is perfect for tightening down the castle nut on your AR pattern rifle. Very well made and durable!
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BrandMidwest Industries
Manufacturer.Midwest Industries
TypeArmorers Wrench

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

Fast free delivery


Great price.

works as advertised


I don't give this wrench 5 stars because of its width. If your not paying close attention and you let the wrench get a little off track.. It may slip and cause some nutt marring. Otherwise it works as advertised and sinched up my buttstocks no problem.

Company Satisfaction


I just want to thank you guys for your excellent service that I've always received from you guys on every order I've made. Y'all are the best & its safe to say I won't be shopping anywhere else. One thing that I would like to see is once a customer spends $1000 with your company, reward their loyalty with $100 off their next order no matter how much their order cost. That would be a definite plus & greatly appreciated by your customers.

works good


i read the reviews and i was a little worried it would be any good but for me it worked fine as a stock wrench i have use it as a bushing wrench yet

Cheap, yet works


I used it to install the Magpul ASAP. It's on there and is secure. So, mission accomplished.

Good cheap wrench


I used this wrench to build my M-Forgery with no issues. I am sure there are better wrenches out there, but can't beet this quality for the price.

does what it says


It does its job. There are better tools out there but you cantbeat the price for this. Only complaint would be it hurts the hand with alot of force.



It got the job done...Thanks PA for the great products and fast shipping.

It's a wrench


It tightened the castle nut.

Just a wrench


It works