Ar Pistol Receiver Extension Tube Chairs/Seating The Contender barrels are drilled

The Contender barrels are drilled and tapped for scope mounts with no sights

Adjusts from 27" to 36"

- For day or overnight use

- 6 stainless steel HPCR bearings + 1 roller bearing provides increased corrosion protection

With industrial-grade brushed stainless steel covers

Ar Pistol Receiver Extension Tube Chairs/Seating The Contender barrels are drilledUTG PRO AR Pistol Receiver Extension Tube, Matte Black Features: Proudly Designed and Made in USA 1. 2" OD Receiver Extension Tube Compatible with AR15 Lower Receivers Precision Machined from 7075 T6 Aircraft Grade Aluminum with a Dry Film Lube Coated Interior for Smoother and More Reliable Cycling Finished in a Matte Black Type III Class II Hard Coat Anodize Compatible with Standard AR15 Type Buffers and Springs Specifications: Material: Aluminum