Criterion-SS 1-7 Twist Tactical Upper


This tactical upper is built on a MIL Spec A4 receiver with MIL Spec complete bolt carrier assembly, charging handle and standard A2 flash suppressor.
We use the same match grade barrels that our competitive shooters use for the utmost performance.
If you have your own or custom parts you would like installed please note in the comment box on your order. We will contact you regarding your inquiry to discuss any changes in price.
Standard labor for assembly is $50-$100.

  • Manufactured by: Compass Lake Engineering

Additional information

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Barrel Contour:
-.750 Light(.850 UHG, .750 Gas Block, .740 Muzzle)

Please choose from the following options to customize your build.


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