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Building or refreshing an AR-15 and want one part number that covers the whole back end? The Leapers UTG PRO Model 4 Ops Ready S2 is a full mil-spec stock kit, meaning you get the polymer buttstock along with the receiver extension, buffer, spring, tear-drop ring, and castle nut all in one box. It bolts onto any standard mil-spec lower, so it's a solid choice for a fresh build or a swap out of a beat-up factory stock.
The stock itself is molded from impact-resistant, high-strength polymer with a slim profile that keeps weight down without feeling flimsy. It rides right up against the receiver end plate for a clean, streamlined look, and the fully dehorned corners and melted contours mean nothing catches on your gear when you're shouldering it fast. The slightly extended 7.5 inch length of pull gives taller folks a bit more room to stretch out, and pairs nicely with UTG PRO's super slim handguards if you're going for a matched setup.
Comfort is where this stock earns its keep. The built-in rubberized butt pad and ergonomically chamfered edges soak up some recoil and keep the stock planted, while the slanted cheek rest promotes a repeatable cheek weld shot after shot. There's an integral ambidextrous sling loop plus a QD sling swivel housing, so lefties and righties can run a single-point or two-point sling however they like.
The six-position extension tube is precision machined from aircraft-grade aluminum with proper rolled threads and a hard anodized finish for corrosion and wear resistance. Users consistently point out the value here, noting it feels great on the rifle and holds up well across plenty of builds. Backed by the UTG PRO lifetime warranty and made right here in the USA, it's a dependable, budget-friendly way to finish off a carbine.
Yes, this is a complete kit. You get the polymer stock, the six-position mil-spec extension tube, the 3.0 oz buffer, buffer spring, tear-drop ring, and castle nut. As long as your lower receiver is standard mil-spec, you have everything needed to finish the rear of the rifle.
The stock slides onto any standard mil-spec diameter receiver extension, so it works with the tube included in the kit or another mil-spec tube you already own. A few users have noted the stock can feel a touch loose on some tubes, which is common with adjustable stocks and easily snugged up if needed.
It runs a slightly extended 7.5 inch length of pull, which gives taller users a bit more room compared to some standard carbine stocks. Since it's a six-position collapsible design, you can still shorten it down for kit, body armor, or smaller framed users.
It is. There's an integral ambidextrous sling loop plus a QD sling swivel housing that works for left or right handed users. That lets you run a single-point or two-point sling on whichever side suits your setup.
| UPC | 4717385551459 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RBUS2BM |
| Color | Black |
| Model | |
| Product Type | Stock |
| Shipping Weight | 1.55 |
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