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FAB Defense Rapid Adjustable Precision Buttstock
As Low As $119.49 Save Up to 31%
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Most Helpful Positive Review lighter, less expensive
I chose this stock over other stocks for 3 reasons. 1) Does everything the Magpul PRS does. 2) Less expensive than other precision stocks with no downgrades. 3) It's lighter than the rest, with all the same features. Save yourself time and money and click buy.
Most Helpful Negative Review Good stock but has big design flaw
This stock fits only for all comercial AR15/M4, 6 position tubes and A2 tube which does not have anti-tilt rib. For All AR-10 with 8" tube (Vltor A5, POF P-308 etc.) with rib this stock WILL NOT fit without machining modifications.
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upgraded stock

by mclong, Verified Owner from IN, United States Written on April 23, 2026
Very great upgrade on my ar reccomend it great buy fast shipping
Would recommend: Yes
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upgraded stock

by mclong, Verified Owner from IN, United States Written on April 23, 2026
This is a great upgrade fit on my Ruger solid and and the adjustment part on it operates great!!
Would recommend: Yes
Was it helpful to you? Yes | No

great producy

by mclong, Verified Owner from IN, United States Written on April 23, 2026
Everything fit worked great and fast shipping!! And it is a well made stock.
Would recommend: Yes
Was it helpful to you? Yes | No

Instructions are vague, no help from the manufacturer

by Jermitch, from TX, United States Written on March 26, 2026
I used 3 different mil spec buffer tubes, got a gun smith to try, and it’s just too tight. Noticed the instructions say to use force, so the gunsmith tried a rubber mallet, still would t go on all the way and one of the rubber mounting bolts was damaged. No help from the manufacturer. I will not be buying fan defense again.
Would recommend: No
Was it helpful to you? Yes | No

FAB Defense RAP

by tired of waiting, Verified Owner from FL, United States Written on November 20, 2025
Beautiful buttock but If you don't have tall rings on your scope... You will be not be able to use this on a basic rifle and It's really heavy ppl 3# ish and with my 458 socom upper and silencerco 46m suppressor and night vision optic makes a perfect bench rest rifle. It's is not something you would want to carry around with you in a shtf event. Keep your rifle light.
Would recommend: Yes
Was it helpful to you? Yes | No

Ar-10 Project

by Reece, Verified Owner from NC, United States Written on September 19, 2025
Super pleased with the FAB precision stock. Was easy to install and works great. Super pleased with Optics Planet etc...Will be doing more business with them in the future.
Would recommend: Yes
Was it helpful to you? Yes | No

Solid Built!

by Dr Hightide Warning, Verified Owner from CA, United States Written on July 31, 2025
The FAB Defense RAPS Buttstock is awesome for my AR-10! It’s super light but feels tough as nails. The 1Latch system makes adjusting the length and cheek rest a breeze with one hand—perfect for switching positions fast. The LOP memory snaps back to my setting every time, which is clutch for consistent shooting. The cheek rest adjusts high enough for any optic, and the rubber buttpad keeps it comfy and stable. Install was easy, and it fits both MIL-SPEC and commercial tubes. Love the hidden Picatinny rail for a monopod, too. It’s a solid, affordable upgrade that punches way above its price. Totally recommend it!
Would recommend: Yes
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Great Stock

by Thresher, Verified Owner from FL, United States Written on May 25, 2025
I haven’t taken it to the range yet, but I’ve laid up on my living room floor and it’s very comfy. I love the adjustment. It’s a very comfortable stock compared to others I’ve used. It also looks the coolest of all the PRS stocks available right now. The memory is awesome. Love it
Would recommend: Yes
1 of 1 found the following review helpful.
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Nice Stock good value

by Sparky, Verified Owner from WI, United States Written on March 22, 2025
I like it for shooting from a bench. Seems well made. It’s good that it has adapters for carbine and rifle buffer tubes.
Would recommend: Yes
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Great buttstock.

by Alio, from CA, United States Written on March 22, 2025
I was building my 1st AR. The fixed stock I had ordered from a different place was too small. This one fit perfectly for a bigger guy. Didn't even need to adjust it but the adjustment made it more comfortable for sure. Multiple spots to attach a sling.
Would recommend: Yes
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Last updated 2025-11-12 UTC.