Free ground shipping on every contiguous U.S. order · Ships within 1 business day after payment/verification · Upgraded shipping processed same business day when ordered by 9:30 AM ET
Click the image to open it full size. Additional supplier images appear when available.
Why customers choose this item
✓Mil spec buffer tube
✓6 position adjustable stock
✓Fits AR15 lower receivers
✓6061 T6 aluminum build
✓Black anodized finish
✓Receiver extension tube
Product highlights
UTG PRO receiver extension tube with 6 position mil-spec diameter configuration
Fits standard AR-15 lower receivers and mil-spec diameter collapsible stocks not included
CNC machined from 6061-T6 aircraft grade aluminum with precisely rolled threads
Designed for tight tolerance control to provide zero-gap fit with lower receiver
Black finish receiver extension tube listed under stocks and buffer tubes category
UPC 4712274526839 with manufacturer part number TLU001 for identification
Product description
The Leapers, Inc. – UTG PRO Receiver Extension Tube 6 Position Mil-Spec Black is a buffer tube designed for supporting adjustable stocks on AR-15 rifle platforms.
This receiver extension tube is CNC machined from 6061-T6 aircraft grade aluminum and features a 6 position mil-spec diameter configuration. It fits standard AR-15 lower receivers and is compatible with mil-spec collapsible stocks. The tube includes precisely rolled threads for consistent engagement with the lower receiver. The black finish provides a standard appearance and surface protection. This model is used in rifle assembly or replacement setups where adjustable stock positioning is required. In normal operation, the UTG PRO receiver extension tube supports stock adjustment and alignment within AR platform configurations.
Volume pricing for business and agency buyers, plus free ground shipping on most continental U.S. orders.
Business & agency accounts
Bulk discounts
Volume pricing, dedicated account management, ACH payment options, and special sourcing for businesses, agencies, law enforcement, and first responders.