TFB Review: Strike Industries Polymer FSA Stabilizer
Strike has struck again. They’ve introduced a new stabilizer with some great features and a nice price point. The new Polymer FSA Stabilizer costs about a hundred bucks, and they sent one out for review. Let’s take a look and see if it meets the requirements for your next pistol stabilizer.
The new Polymer FSA Stabilizer with Picatinny mount is a polymer stabilizer with an adjustment lever for length-of-pull adjustment and a side folding mechanism. The side-folding mechanism is triggered by depressing a large side button. The action of the folding mechanism is smooth, and it is easy to both fold and unfold the stabilizer.
The stab only locks in the unfolded position. It is not locked in place in the folded position by any strong detents or locking mechanisms that require you to hit a button or pull a latch. The folding mechanism’s hinge does have a small cam that adds a little bit of tension to keep the side folder folded. It stays folded under gravity. It should stay folded in a bag, but it’s going to flop around a bit if you’re jogging with it folded. It’s not the strongest folding action, but it’s quick to deploy and doesn’t involve any tricks.
The hinge for the folding mechanism is made of polymer and a steel pin. The latch is made of polymer. The Picatinny mount consists of two steel bolts that go through one polymer section and thread into a steel end plate. It seems pretty robust, and the threads being steel should prevent cross-threading. Strike also includes some fresh liquid thread locker and a Torx tool. They also include torque specs on the box if you have your own Torx bit and a torque wrench. My Torx bolts also came with some pre-applied thread locker, which is nice.
The adjustment lever is located on the blade and is in a very convenient spot for on-the-fly adjustment. It has 4 positions, and very positive locks for each position. It’s a spring-loaded latch that you squeeze with your index and middle fingers. It just slides in and out. The spring is strong, and the length of pull lock is great.
The stabilizer is made of polymer, which makes it lightweight. The hardware, like the mounting bolts and a few roll pins and springs are metal, of course. The polymer is fiber-reinforced and feels very strong. The stabilizer doesn’t bend, twist, or flex under pressure. I actually originally thought the length of pull lockups were made of steel, because it felt like steel, but it is polymer. I dropped the MPX on the stabilizer from 3 feet a few times, and the lockup didn’t jump any adjustments. I also dropped the rifle against the side folder action a few times, and beat it against my leg to see if it would snap like a twig, and it held up just fine.
If you were buying it to rappel down an elevator shaft like John McClane, maybe it would work, maybe it wouldn’t. I haven’t broken it, so I wouldn’t know. If you’re buying it because you want a lightweight stabilizer and only want to drop a hundo, I don’t think you’re going to realistically run into any durability issues with conservative use. If you have to have a steel stabilizer, Strike makes several steel stabilizers as well.
I mounted the Strike Industries Polymer FSA Stab onto a 16-inch Sig Sauer MPX. The Polymer Stabilizer isn’t a competition stock by any means, but it looks pretty cool and allows me to tell the TFB readers that it is compatible with 8” barrel MPX pistols. The charging handle clears the stabilizer. The Picatinny mount edition fits the 1913 rail on the MPX just fine. It’s comfortable, the right height, and everything works as it should. It also looks a little bit different, and kind of sci-fi / non-military-clone, which is neat. Just to reiterate, though, the stabilizer was built for pistols. I only attached it to the rifle version of the MPX because I know TFB readers would be curious if it would fit on their MPX pistols, or other pistols with Picatinny rear rails.
As it currently sits on the market, the Strike Industries Polymer FSA Stab may be the lowest price option for a side-folding brace/ stabilizer with an adjustable length of pull. It should open the door for many like myself who might want to dip a toe in a low-cost chassis system like the Strike Industries SMC Bravo for P320, but ultimately didn’t hit the add-to-cart button because there were no low-cost stabilizer options available. It’s pretty cool to think that you might be able to have a chassis system and side folding stabilizer from Strike for under $250 if you already have a P320 lying around.
So in conclusion, the Strike Industries Polymer FSA Stabilizer is a low-cost, polymer-constructed stabilizer meant for pistols with Picatinny mounts. The FSA Stab doesn’t only work on Strike’s chassis system, it works on the MPX and other platforms as well. It functions as advertised, and only costs one Ben Franklin. If you don’t need a sling attach point or a mechanism that locks the stab into the folded position, I think it’s definitely one to consider for your next pistol build.
The Strike Industries Polymer FSA Stabilizer can be found on Strike’s website: Strike Polymer Single Side Picatinny Mounted FSA with STAB.
Check out Strike Industries’ socials:
- Strike Industries (@Strike_Ind) / X
- Strike Industries® (@strikeindustries) • Instagram photos and videos
- Strike Industries - YouTube
Check out more Strike Industry Products on TFB:
- TFB Review: Strike Industries Dual Folding Adapter (Stock/Brace) | thefirearmblog.com
- The Strike Industries SMC Bravo: The Poor Man’s Pistol PDW | thefirearmblog.com
- TFB Review: Strike Industries Enhanced P365 Grip Module | thefirearmblog.com
- Strike Industries Launches Strike Magazine Release for SIG P365 | thefirearmblog.com
- TFB Review: Strike Industries G19 LITESLIDE Assembly | thefirearmblog.com
Lifelong firearm enthusiast with a passion for shooting handguns. 12+ year concealed carrier. Shooting competition enjoyer.
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If/when they come up with a little better folded detent, it will sell better. I like the looks of everything else.
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How is this going to be so much cheaper than their current, MUCH crappier brace?!?!