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Questions & Answers
What's the Length Of Pull range? Expert Answer

The UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit LOP ranges from 7.58"-9.53".

by Hunter, Gear Expert, September 13, 2022
Customer Reviews
Helpful Positive Review Leapers UTG PRO AR15 S4 Mil-spec Stock Kit good quality one quibble by DC, January 18, 2021
The Leapers UTG PRO AR15 Ops Ready S4 Mil-spec Stock Kit feels high quality. It doesn't have a lot of slop or rattle like some of the cheaper stock kits. The rubber pad on the stock is comfortable enough. The one issue is that the charging handle can...
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2/2 found this helpful
Helpful Positive Review Very solid good quality by Geek, March 1, 2020
Not much to say it's a good quality product if it's just like it's supposed to adjust easy not loose that's about it lllllllllllllll lllllllllllllll llllllllllllllllllllllllllll llllllllllllllllll lllllllllllllll
2/3 found this helpful
Helpful Positive Review Nice Stock by Bamagoat, July 30, 2020
Fit and finish was good. I went with the black finish to match my other parts. Mated to my Palmetto lower. Feels substantial when held. Completed my build nicely!Very good quality for the price paid. Works well and as intended.
1/1 found this helpful
Helpful Positive Review Something different by Ryan, December 5, 2020
Was looking for something different at a good price. Came across these and really like the design, function and quality. I would absolutely buy these again. Everything went together as it should with no problems.
3/3 found this helpful
Helpful Positive Review UTG Pro buffer tube by Matthew Koenig, Verified Owner, September 28, 2017
Nice quality mil spec buffer, the price of the kit is comparable to just the buffer tube from other manufacturers. The buffer spring feels a bit cheap and is not a smooth in the tube as some buffer springs that are even in the $10-20 dollar range. Ov...
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3/3 found this helpful
Helpful Negative Review disappointed with the design by jayceeCA2A, Verified Owner, May 17, 2023
I bought this because it was the complete set i needed and its made in the USA. The overall quality was satisfactory with all the components. I was disappointed with the design of the butt stock. The lever thats used when you adjust the atock is he...
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2/2 found this helpful
Read All 14 Reviews
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Product Info for UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit

UTG PRO made in specialized factories AR15 Ops Ready S4 Mil-spec Stock Kit, 4.28 Length, 4 Pos. Adjustable, Minimal Profile, Ergonomic Cheek Rest & Rubberized Butt Pad, Features Ambi. Sling Swivel Housing & Sling Loop, Extended Cheek Rest, Mil-spec Extension Tube, Buffer, Buffer Spring, Receiver End Plate & Castle Nut, FDEimage

WARNING: California`s Proposition 65

Specifications for UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit:

Manufacturer: UTG Pro
Gun Model: AR-15
Gun Type: Rifle
Condition: New
Hand: Ambidextrous
Buffer Tube Size: Mil-Spec
Country of Origin: USA
Fabric/Material: Polymer

Package Contents:

  • UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit

UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit Orderable Models

List of Orderable Models

UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit, Black, RBUS4BM , MPN: RBUS4BM , UPC: 4717385552678 , Code: 2NZ-BSC-LUPSTKKT-RBUS4BM
UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit, FDE, RBUS4DM , MPN: RBUS4DM , UPC: 4717385552777 , Code: 2NZ-BSC-LUPSTKKT-RBUS4DM

UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit Unavailable & Discontinued Models

List of Unorderable Models

USED UTG Pro AR15 Ops Ready S4 Mil-spec Stock Kit, Black, RBUS4BM, EDEMO3, Condition Parts Only/Salvage, Defective , MPN: RBUS4BM-EDEMO3 , Code: 2NZ-BSC-LUPSTKKT-RBUS4BM-EDEMO-DF-F
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