Overview Reviews Product Description Gas Tube Approx Length: Rifle: 15 1/8" Intermediate: 13 3/4" Mid: 11 7/8" Carbine: 9 7/8" Pistol: 6 3/4" Black Nitride Finish Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Rainier Arms Gas Tube - Black Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments