Product Description
Upper Custom Build, Adjust and Test Fire Assembly
CREATE YOUR OWN UPPER BUILD NOW!
We will fully assemble your upper receiver, adjust and verify the proper head space, and test fire it.
here are the tools needed that we will use to build it:
Vise
AR-15 Vise Block
Padded Vise Jaws
Brownells Upper Receiver Action Block
Ball Peen Hammer (4 oz.)
Taper Pin Starter Punch
Starrett Punch Set
Brownells Roll Pin Punch Set
Brownells Roll Pin Holder Set
Front Sight Bench Block
1/2″ Drive Torque Wrench (capable of 20 – 100 foot pounds)
Screwdriver
Multi-Tool and Needle Nose Pliers
Barrel Nut/Combination Wrench w/ 1/2″ Cut to accept Torque Wrench
Proprietary Barrel Nut Wrench (If your Picatinny Rail requires it – some of the Rails we’re using does)
Here is a great source for you to see what is involved in building the various parts of your AR
http://www.midwayusa.com/General.mvc/Index/how-to-build-ar-15-rifle#gettingStarted
Product Videos
Custom Field
Product Reviews
11 Reviews Hide Reviews Show Reviews
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upper parts build
cobratac rocks thank so much guys!
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upper build service
blow away at the speed and quality of these guys ! Thanks so much and for free …
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very happy with the service
they walked me through all the parts I needed and they built it for me same day and wow its very nice
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great build very happy
bought all the parts here and they built it for me
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fantastic upper build
wow very good quality build, and they test fired for safety thanks so much!
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Best job
Bought all the upper parts and had it built. Cant wait to test it out looks great
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Build
Great build
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armorer built upper
bought all the parts at cobratac and they built it for me couldn’t be happier
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precision upper
I bought the parts and they built it for free!
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awesome build thank you
got a great price and custom build free thanks
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you guys rock!
thanks for such a great build and free!!