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Questions & Answers
What is the buffer weight and is the spring standard or extra stiff to be used in a blowback design pistol? Expert Answer

It comes with a 3 ounce carbine buffer and a standard strength carbine action spring.

by Armando R., Gear Expert, December 15, 2019
Customer Reviews
Helpful Positive Review
Great extension tube for AR pistol by bravo5two, Verified Owner, August 16, 2018
I was looking for a longer extension tube to use with my AR pistol and stumbled onto this unit from Leapers. I figured it couldn't hurt to order from O.P. so went ahead with the purchase. Surprisingly this unit is very well made with nice finish. ...
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4/4 found this helpful
Most Recent Reviews
UTG RECEIVER EXTENSION FOR TAIL HOOK. by Robmarsh, Verified Owner, June 4, 2025
Extension fit perfectly, quality is excellent. I've never been disappointed with UTG products.
Most Recent Reviews
Can't go wrong with utg products they always hit a home run with quality, looks, value, fit and finish. This is one of the sturdiest buffer assemblies out there, a standard buffer that actually weighed 3 oz., and a decent recoil spring that functions...
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Most Recent Reviews
The right parts. by JB Pipes, December 30, 2021
These parts worked out fine for my AR lower build. No complaints from the peanut gallery. The fit and finish were good. The buffer tube is a solid piece of construction. Ihighly recommend these items for your next build.
Read All 4 Reviews
Color: Black Finish: Matte Gun Make: AR Platform Condition: New

Code: 2NZ-BFA-ARER-TLU009-KIT

MPN: TLU009-KIT

UPC: 4717385553194

List: $69.97Save 14%
$59.97

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for UTG Pro AR Pistol Extended Receiver Extension Tube Kit

UTG PRO AR Pistol Extended Receiver Extension Tube Kit, Machined from 7075-T6 Aircraft Aluminum, Matte Black Type III Class II Hard Coat Anodize with a Dry Film Coated Interior, Complete with Carbine Buffer, Buffer Spring, Castle Nut, and QD Receiver End Plate, Compatible with GHW Tailhook Mod 1 Braceimage

WARNING: California`s Proposition 65

Specifications for UTG Pro AR Pistol Extended Receiver Extension Tube Kit:

Manufacturer: UTG Pro
Color: Black
Finish: Matte
Fabric/Material: Aircraft Grade Aluminum
Gun Make: AR Platform
Condition: New
Country of Origin: USA

Package Contents:

  • UTG Pro AR Pistol Extended Receiver Extension Tube Kit

UTG Pro AR Pistol Extended Receiver Extension Tube Kit Orderable Models

List of Orderable Models

  • UTG Pro AR Pistol Extended Receiver Extension Tube Kit, Matte Black, TLU009-KIT , MPN: TLU009-KIT , UPC: 4717385553194 , Code: 2NZ-BFA-ARER-TLU009-KIT
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