Strike Industries Flat Wire Springs for Modern Sporting Rifles

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Its truly hard to keep up with the pace by which Strike Industries has been putting out product. In fact, we have occasionally missed one, which has not been on purpose (which despite often being Made in Taiwan, tends to be some innovative stuff, like their new safety selector which has me as a believer).

Improving upon the basic AR-15 buffer system, Strike Industries is offering a flat wire spring. The new springs bring modern spring manufacturing and technologies to the 50+ year platform. Taking it further, Strike Industries is cryo-treating teh springs which gives it “…greater consistency, longer spring life, and greater resilience to high cyclic rates.”

For those not familiar with flat wire springs, for certain applications, they are a welcome upgrade. Flat Wire springs typically have greatly increased service life (cycles) compared to standard round wire and can often be compressed more compared to round wire until coil bind (a bad thing for springs), which gives designers greater flexibility.

The springs are available for carbine-stock weapons only. It would stand to reason with Strike’s pace of expansion that a rifle version will be released shortly. Retail pricing is set at $19.95.

 

Features (Courtesy of Strike Industries):

  • Cryo-cycled 17-7 ph steel for strength, reliability and longevity
  • Decreased harmonics lessens system vibration for faster follow up shots.
  • Increased bolt load for more positive feeding
  • Reduces distracting AR “twang”


Nathan S.

One of TFB’s resident Jarheads, Nathan now works within the firearms industry. A consecutive Marine rifle and pistol expert, he enjoys local 3-gun, NFA, gunsmithing, MSR’s, & high-speed gear. Nathan has traveled to over 30 countries working with US DoD & foreign MoDs.

Nathan can be reached at Nathan.S@TheFirearmBlog.com

The above post is my opinion and does not reflect the views of any company or organization.


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  • Hoplopfheil

    I’d try one. Strike Industries stuff seems 50 percent awesome and 50 percent crazy.

    • CS

      100% good value.

      • Roper1911

        heck yeah. I just got one of their Jcomp’s for $30 based on TTAG’s testing.

  • BillC

    Oh boy! Only $20 to replace something on my rifle that doesn’t need to be replaced! A regular buffer spring is $5 or less. A fool and his money comes to mind. When you literally have nothing better to spend money on. Any idiot that wants to buy this, should pass and use that Jackson to buy 2 or 3 boxes of ammo instead.

    • junyo

      Yeah, but the $5 spring is basically a consumable that’s only rated for a few thousand rounds. These springs allegedly have a duty cycle of something in the neighborhood of a half a million rounds, which makes them lifetime for all but the heaviest of users. So adding reliability and basically removing a maintenance task for the lifetime of the gun? That’s worth $10-15 dollars to some people.

      • Pod

        Kind of why I bought a Sprinco spring. I did some research and the science checked out, so I figured “why not”?

        The factory spring in my Colt LE6920 was at about 5000 rounds anyways, so I figured it was time for a swap.

      • BillC

        Hahahahaha, okay buddy, you need help if you think the life cycle of a regular spring is only a few thousand rounds.

        • Joe

          But they are.

          • BillC

            You have to be pretty f’ing dumb to fall for this product and any “measurable” promises especially for a 300% price increase. Fool and his money. Holy Jeebus, the spring is flat!

          • Ebby123

            Quiet Billy, the grown ups are talking.

            Speaking as someone who has designed springs for use in small arms I can tell you – flatwire springs are the future for recoiling systems. In handguns, Flat wire springs have 300% to 500% the lifespan of roundwire springs, cost the same, or only marginally more, are more stable, more predictable, and can take up far less space than a round wire spring.

            It is only logical that this would be applied to a rifle platform that’s actually meant to see fire volumes sufficient to wear our a recoil/buffer spring.

            There is a reason that nearly every major handgun manufacturer has switched to flatwire recoil systems. Anymore you really only find round-wire springs on 1911s and a few other vintage designs.

            Thinking that a product stupid and ill-conceived because you don’t find it personally useful makes you the only fool in this room.

        • junyo

          I used to have a girlfriend that drove around for months on a doughnut because “a tire is a tire”.

          The spring has a spec, and it compresses, loses length, and causes malfunction over time. That’s just objective fact. I’m sure you’re measuring yours and yours are well within tolerances. But generally – except for your magically everlasting $5 springs – good springs compress less, over a longer time. If it’s a range toy, an out of spec spring is a doughnut on a Toyota Tercel; the thing keeps mostly working and why spend the extra money? Me personally, I’d prefer to spend the money, get 4 good tires and full sized spare before you slide off the road into a ditch and have to call for help at 2AM (but I’m not bitter or anything) because the one time you needed your stuff to work work, you’d decided to save a couple bucks.

          • BillC

            You are dumb. Your analogy sucks.

          • junyo

            Whoosh…

    • Flounder

      Compare it to the silent capture spring by jp. Which is kinda what it is competing with due to the claim it reduces buffer twang. Also slightly overlaps with hydraulic buffers. And 10-20 bucks is pocket change. I see a lot of people trying this out. I honestly doubt it is much if any improvement.

      • robert wallace

        Well, I have had a Tubbs flat wire spring in my 3 gun AR for over a year now, and in my 6.5 creedmoor LR308. They work great. Since this is a direct ripoff of that, I don’t see why it wouldn’t work.

    • 360_AD

      Yup. Another solution looking for a problem.

      • DonDrapersAcidTrip

        Nobody do anything then since everything “works” and there’s no reason to come up with a better way of doing anything ever.

        Excise that tired cliche from your alls vocab already

      • Ebby123

        Congratulations, you are what’s wrong with the Firearms Industry.

    • Spencerhut

      Having never tried the product you claim it’s a waste of money?
      I have tried flat wire springs in several guns and each was improved by the use of a flat wire spring.
      I see your parents did not burden you with an abundance of intelligence . . .

  • Pod

    It may have been marketing-speak, but I purchased a Sprinco buffer spring on the premise of it’s longevity.

  • QuadGMoto

    What do they mean by “carbine”?

    • Rick O’Shay

      A buffer tube for an adjustable stock, as opposed to a buffer tube for a fixed stock (which tends to be longer).

    • Paladin

      AR15 Buffer tubes come in two main sizes, “rifle” and “carbine”. The rifle tube is used for fixed stocks (like the A2) and is longer, the carbine tube is used for adjustable stocks and is shorter. Due to the different lengths, rifle and carbine buffer tubes use different springs and buffers.

  • Bill

    I’d like the engineers who designed and built my ARs to vet this before I stake my life on this.

    • TM

      Sorry dude, Eugene Stoner died in 1997…

      • Twilight sparkle

        Jim Sullivan is still around

  • I have yet to find a real metallurgist that is not involved in selling the process, agree that “cryo-treating” steel does anything to it. It use to all the rage in barrels but seems to have fallen by the way side as bunk there. I only took 2 years of metallurgy for my BSME degree and did not specialize in it but according to every thing I was taught there, low temperature “tempering” of steel should not do anything for the grain structure to change it. Can any one link me to a actual independent research paper/testing on the topic other than dribble put out by the sellers of this process?

    • Isaac Newton

      During regular quench, face centered cubic austininte rapidly rearranges to body center tet martinsite. The theory is that the cryo treatment changes any austinite that got stuck during the rapid transformation (I imagine thru differing thermal contraction of martinsite vs austininte). The theory is also you want more martinsite not austinite. Tho I am with you, I’ve always found it hard to believe.

    • BrandonAKsALot

      It is my understanding that it is only useful in tempering very specific alloys of stainless steel. It’s useless in every other kind of steel.

      • Isaac Newton

        All carbon steels have the heat up>austinite>quench>martinsite>retain a little austinite behavior, but i can see the extra processing being more important on the generally weaker/softer stainless.

        • BrandonAKsALot

          I never understood it personally, but it’s a big thing with German blades/sharp thingies.

    • Bradley

      I don’t know much of anything about metallurgy, but cryo treatments are very common in the knife industry. Some companies do it with everything, but it seems to be the consensus that only certain alloys benefit from it. It is said that with some steels there is a measurable increase in hardness. I can’t confirm that, but it is a measurable claim. I can tell you that with some modern exotic alloys a cryo treatment is required in the manufacturers heat treating instructions.

  • Sam

    SI stuff are made in Taiwan…..but I guess Taiwan is belong to China? LOL

    • ARCNA442

      What is this Taiwan – surely you mean the Republic of China?

      • mig1nc

        You realize there is actually an Island of Taiwan in the RoC?

    • Taiwan has better quality——–

  • Z

    This is a direct copy of the tubb chome silicon flat wire carbine length spring. With worse design, and a far inferior steel alloy. For the same price. I’ll pass. I all ready regret buying one their handguards!

    • Twilight sparkle

      Drop in or free float?

  • Correction: Strike emailed me and these are made in Taiwan not China. Strike advises there is a big difference in quality.

    • Jacks

      Wolf gold ammo is made in Taiwan. Super good quality!

  • jw

    would this improve the twang on a adams arms piston rifle?

  • Mark Chavendish

    The Super 42 Braided Wire Buffer Spring from Gisele is top notch. Almost
    as quite as my JP Silent Capture and a fraction the cost.

  • RealitiCzech

    I’m not sure what this ‘twang’ is people talk about. I guess the muzzle blast is slightly louder than the spring on my AR.

    • Independent George

      I hear it because my earmuffs tend to press against the stock, allowing the sound to transmit directly into my ear. I suppose plugs would diminish it, but I prefer to have my entire ear covered.

      • RealitiCzech

        That makes sense. I either use only plugs or plugs+muffs when shooting.

  • Sledgecrowbar

    Still waiting for them to bring their Glock locking block to market since SHOT show.