UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock - 2 Colors

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Product description

UTG Pro S4 Compact AR-15 Stock – 4-Position Mil-Spec Fit

Features

  • Compact 4.28″ stock body for lightweight AR-15 configurations
  • Fits standard mil-spec carbine receiver extensions
  • Four-position adjustment with a 0.625″ length-of-pull increment
  • Removable extended cheek rest provides additional support without requiring a larger stock body
  • Angled rubberized butt pad helps maintain consistent shoulder placement
  • Reversible QD sling swivel socket can be configured for left- or right-side use
  • Integrated sling loop supports traditional sling attachment
  • Impact-resistant polymer construction
  • Available in Black and Flat Dark Earth
  • Designed and made in the USA

The UTG Pro Ops Ready S4 combines a short, lightweight stock body with a removable extended cheek rest for shooters who want a compact setup without giving up cheek support. It fits standard mil-spec carbine receiver extensions and provides four usable adjustment positions, with an extended length of pull that remains suited to compact rifles or use with body armor.

Note: This listing includes the stock only. A mil-spec carbine receiver extension, buffer, buffer spring, castle nut, and end plate are not included.

Specifications

  • Brand: UTG Pro
  • Model: Ops Ready S4
  • Compatibility: Mil-spec carbine receiver extensions
  • Adjustment Positions: 4
  • Material: Polymer
  • Dimensions: 4.3″ long x 1.66″ wide x 4.80″ high
  • Extended Cheek Rest Length: 5.51″
  • Length of Pull: 10.2″ collapsed to 11.5″ extended with a mil-spec carbine receiver extension
  • Length-of-Pull Adjustment Increment: 0.625″
  • Weight: 5.7 oz
  • Color and MPN:
    • Black: RBUS4BMS
    • Flat Dark Earth: RBUS4DMS
  • Country of Origin: USA

What’s Included

  • 1x UTG Pro Ops Ready S4 stock
  • 1x Removable extended cheek rest insert
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Customer reviews 29

anthony.colon Verified buyer
The great product with the great value

AT3 Tactical · Thank you for your positive review of our UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock! We are glad to hear that you are satisfied with the quality and value of our product. We appreciate your support and hope to continue providing great products for your firearm needs. Thank you again for choosing our product.

Rcraiders123 Verified buyer
Very nice and compact
robert.hollister Verified buyer
i put this on a M&P 15-22 looks great and kept it light weight..

AT3 Tactical · Thank you for your positive review! We're glad to hear that our UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock was a great addition to your M&P 15-22. We strive to provide high-quality, lightweight options for our customers.

Rey Matos Verified buyer
Stock is really well put together. I bought the tan version to go with the color scheme I have going on.

AT3 Tactical · Thank you for leaving a review for the UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock! We are glad to hear that you are happy with your purchase and that it fits well with your color scheme. We strive to provide high-quality products and we are happy to see that it met your expectations.

David Tucker Verified buyer
UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock

AT3 Tactical · Thanks for leaving a review for our UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock. We're glad to hear that you are satisfied with your purchase and that the stock met your expectations. We appreciate your support and hope you continue to enjoy using our product.

daniel.simmonds Verified buyer
Def a improvement

AT3 Tactical · Thank you for leaving a review for the UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock. We're thrilled to hear that you're enjoying the product and that it has made a noticeable improvement for you. We appreciate your feedback and thank you for choosing our product.

robert.boring Verified buyer
Shipped and arrived really quickly so cudos for that. The adjustment lever feels flimsy and is awkward to work. Overall it’s a little shorter than I would like. Otherwise it is well built. The QD placement is great, it seems to be made with quality in mind, and the overall design is good. I would recommend it if the above mentioned cons aren’t an issue for you.
charles.virzi Verified buyer
Great stock!! I actually have this stock on two different rifles I love these stocks so much. Very comfortable, and light!!! I would definitely give it a try, especially for the money you can’t go wrong.
abel.delacruz Verified buyer
It fits great and it looks awesome on my custom SBR

AT3 Tactical · Thank you for your positive feedback on the UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock! We are glad to hear that it fits well and compliments your custom SBR. Happy shooting!

Janet Widener Verified buyer
Bought for my Grandsons Carbine. He’s liking it a lot
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Warranty & returns

Backed by the UTG Lifetime Warranty!

90-day no-hassle returns

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

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