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Questions & Answers
What is the weight of the buffer? Expert Answer

The manufacturer doesn't specifically state the weight of the buffer, but I would guess it is an H1. I would contact the manufacturer for more information.

by Hunter, Gear Expert, January 24, 2022
Does the buffer have individual steel weights inside or does it have one large steel weight? Expert Answer

It has individual weights.

by Jonathan D., Gear Expert, March 12, 2020
Customer Reviews
Helpful Positive Review
Exactly what I was looking for!!! by Matt, Verified Owner, January 5, 2025
The products I purchase from Optics Planet are always great quality at a great price. This was exactly what I was looking for.
1/1 found this helpful
Helpful Positive Review
Better than I expected. by chris, September 28, 2016
I went out on a limb with this buy. After building 2 AR's recently and stepping up the price range for the components for those 2, I decided I would try to go as cheap as I could, while still using components from manufacturers I had at least a small...
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1/1 found this helpful
Helpful Positive Review
complete buffer and stock kit for ar15 by lee, Verified Owner, February 17, 2024
For the price this procduct was perfect fit for what i needed to transition my ar 15 build.. i would recommend this procduct for a budget build any time and woukd use again. This was heavy but strong made product.
1/1 found this helpful
Helpful Positive Review
S1 Stock... by JMV, Verified Owner, October 4, 2023
Bought the S1 version with the buffer, spring and receiver extension and I must say all of it is excellent quality. The S1 stock has a very neat look and feel the way it snugs up to the castle nut on the extension. The stock has a very dense and high...
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1/1 found this helpful
Helpful Positive Review
Not too bad. by Pk, March 5, 2022
For the price it was pretty good. I was skeptical at first but the material felt pretty solid for the price, definitely feels like a mid level peice of equipment, looks great and feels grsat on my gun.i would buy this again.
1/1 found this helpful
Helpful Positive Review
UTG Pro stock kit by UTG PRO, January 29, 2023
Very nice buffer tube, easy to install the stock is comfortable. The utg pro feels like it is very durable material. The stock does have a little bit of wobble on the buffer tube but it is comfortable and shouldn't be an issue as far as functionality...
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1/1 found this helpful
Read All 32 Reviews
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Product Info for UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit

Designed for heavy use in the field to perform in the toughest scenarios, the UTG Pro Model 4 Ops Ready S3 Mil-Spec Stock Kit comes with everything you need to install a high quality stock onto your AR15 platform rifle. UTG Pro molded these AR15 Stocks from impact resistant high-strength polymer so that they could handle harsh conditions in the field and last a lifetime. This UTG Pro AR15 S3 Mil-Spec Stock Kit comes with a built-in rubberized butt pad and a slanted cheek rest that enhance your shooting stability while promoting consistent control of your firearm. Get unmatched, snag-free performance from this kit that has fully dehorned corners and melted contours which give the shooter increased comfort. The key to high-grade rifle performance starts with the UTG Pro Model 4 Stock Kit for AR15.image

WARNING: California`s Proposition 65

Specifications for UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit:

Manufacturer: UTG Pro
Gun Model: AR-15
Gun Type: Rifle
Condition: New
Hand: Ambidextrous
Buffer Tube Size: Mil-Spec
Fabric/Material: High-strength Polymer
Adjustability: 6 Positions

Features of UTG Pro Model 4 Ops Ready S3 Mil-Spec Stock Kit:

  • Built for Heavy-duty Use with the Tightest Tolerance Controls to Provide the Most Secure Fit and Function
  • Molded from Impact Resistant High-strength Polymer in FDE
  • Mil-spec Diameter Extension Tube Precision Machined from Aircraft Grade Aluminum with Rolled Threads, and Anodized for Best Corrosion and Wear Resistance
  • Built-in Rubberized Butt Pad and a Slanted Cheek Rest Enhances Shooting Stability and Promotes Consistent Firearm Control
  • Integral Ambidextrous Sling Loop and QD Sling Swivel Housing for Left or Right Handed Shooters
  • Unique 6.05in Length and Compact Profile for superior lightweight, yet comfortable performance with 6 position adjustability - Combine with our Super Slim Handguards for a Superior Firearm Handling Experience
  • Snag Free Performance with Fully Dehorned Corners and Melted Contours for Increased Comfort
  • Includes Polymer Stock, Mil-spec 6 Position Extension Tube, Buffer, Buffer Spring, Tear-drop Ring and Castle Nut

Package Contents:

  • UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit

UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit Orderable Models

List of Orderable Models

  • UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit, Black, RBUS3BM , MPN: RBUS3BM , UPC: 4717385551831 , Code: 2NZ-BSC-M4OPS3-RBUS3BM
  • UTG Pro AR15 Ops Ready S1 Mil-spec Stock Kit, Black, RBUS1BM , MPN: RBUS1BM , UPC: 4717385550896 , Code: 2NZ-BSC-M4OPS3-RBUS1BM
  • UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit, FDE, RBUS3DM , MPN: RBUS3DM , UPC: 4717385551879 , Code: 2NZ-BSC-M4OPS3-RBUS3DM
  • UTG Pro AR15 Ops Ready S1 Mil-spec Stock Kit, FDE, RBUS1DM , MPN: RBUS1DM , UPC: 4717385551299 , Code: 2NZ-BSC-M4OPS3-RBUS1DM

UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit Unavailable & Discontinued Models

List of Unorderable Models

  • USED, UTG Pro AR15 Ops Ready S3 Mil-spec Stock Kit, Black, RBUS3BM , MPN: RBUS3BM-EDEMO , Code: 2NZ-BSC-M4OPS3-RBUS3BM-EDEMO-RE-B
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