Dejay
Impressive machinery.
Great amazing product and accommodating customer service. I recommend for your next build.

Matrix Arms is an established family owned and operated high precision CNC firearm manufacturer located in “Live Free or Die” New Hampshire, USA.
Matrix Arms (matrixarms.com) has 205 customer reviews on Five Star Index, with an average rating of 4.7 out of 5.
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Dejay
Great amazing product and accommodating customer service. I recommend for your next build.
Triandos S.
Nice fit and finish. Easy swap from a standard ar15 upper to this AR9 upper. Definitely recommend if you’re looking for a solid ar9 upper for a build.
JC
Great product and fast shipping.
Tyler S.
Good price, very good design with very good machining. How ever I wish the upper and lower mated together with a bit tighter tolerances
Travis J.
Quick and easy transaction. Item matched description 100% accurately. Processing time was short and shipping was fast. Very reasonable pricing.
Wesley B.
They produce a great product! If you do need to get a hold of them email is best. I have bought multiple 80% and can't complain!
Richard C.
Very good quality for the money
Jose
I never got my full order at all you still owe me my other part of my order you advised you had it when you never did and have not contacted me back