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JP Silent Captured Spring - Gen 2 AR15
AR-15 Silent Captured Spring

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Our Price: $139.95
Sale Price: $132.95

Availability:: IN STOCK
Product Code: JPSCS2-15

JP Silent Captured Spring - for AR-15 with Fixed OR Collapsible Stocks - Gen 2

The new JP Silent Captured Spring system for AR-15 rifles and carbines takes smoothness and quietness to a new level for your AR15. This system consists of a smaller diameter recoil spring captured on a guide rod to totally eliminate the contact of the spring with the buffer tube and the spoon on a cheese grater sound. The buffer weights are also integral to this captured system so no seperate buffer is needed. Additionally, the system includes a large synthetic buffer to cushion the impact at the rear of the recoil stroke. Furthermore, due to its captured design, the need for the buffer retainer spring and plunger is eliminated. It can be installed with the buffer retaining pin in place, but is far easier to install and remove for cleaning if you remove the buffer retaining pin from your rifle. This system has a super smooth feel to it and is great for suppressed weapons that need less spring noise. Works well in any AR-15 type weapon, but is best when used with an adjustable gas block so the gas and buffer can be tuned to perfection for the optimal feel.

Is proper length for AR-15 collapsible stock tubes. Includes a spacer to make it also compatible with fixed stocks.

Guide Rod in the JP Silent Captured Spring extends into the rear of the bolt carrier as it cycles. The head of the guide rod is .450" in diameter. It is NOT compatible with any bolt carrier that does not have the normal size hole in rear of the carrier to allow the guide rod to cycle. Will not fit PWS rifles with the smaller bolt carrier hole, some of the newer ones will work (check diameter of hole vs. .450" diameter of rod. Is not compatible with 9mm bolts.

Reciprocating mass is 2.7 ounces with the three steel weights that come on it. Replacement tungsten weights are available separately if you desire to increase the mass. Replacement spring packs with different weight springs are also available separately.
  • Captured Spring and Buffer System
    Quietest and Smoothest Operation possible for your AR-15
    Fits Fixed or Collapsible Stocks
Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 13

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  0 of 0 people found the following review helpful:
5 of 5 Great product December 26, 2018
Reviewer: Steve Bean from Milton, FL United States  
I run all my ARs with JP captured springs. I highly recommend them.

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  0 of 0 people found the following review helpful:
5 of 5 Buy One! November 23, 2016
Reviewer: Ted from Fort Myers, FL United States  
Installed mine is a Lancer Arms L15 competition rifle that I shoot 3 gun competitions with. This gun now runs smoother, and the recoil now feels softer and more consistent than it ever did before, which means a lot when engaging targets at 400 & 600 yards. I will be buying a few more of these in the future for my back up competition AR's. The captured recoil design should be the new standard for any AR15 rifle. My gun came ready for competition and needed no other upgrades. Now it is the perfect 3 gun rifle.

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  0 of 0 people found the following review helpful:
5 of 5 Good Product August 2, 2016
Reviewer: Anonymous Person  
I've had the Gen 1 version for over a year and put approximately 1000-1500 rounds of 5.56 ammuntion through this particular gun. My build is an Aero Precision factory M4E 5.56 midlength  upper. The rifle is a tad bit overgassed with a very consistent ejection at 2'o clock, and I will be purchasing the tungsten weights to see if it softens the already smooth recoil of the gun. The spring has held up fine, and I see no wear or stress marks on the rod, but I haven't put many rounds through it yet, so whether the system will be as reliable as USGI springs at 5000 rounds or more is undetermined. However, I am currently satisfied with the product and will be purchasing this again for all future builds.

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  0 of 0 people found the following review helpful:
5 of 5 a worthy evolution in AR buffers March 17, 2016
Reviewer: Paul M from Lone Star  
I installed one of the standard AR15 SCS units in my Fulton Armory Legacy carbine, (think Colt SP01) and it runs like a swiss watch.  This is a very mil-spec carbine, with a pencil barrel with a military sized gas port. It is less "gassed" than a lot of commercial barrels, as Gene Stoner intended. The SCS cycles perfectly, quietly, and as softly as can be expected with a carbine length gas system.  A captive operating spring is what every self respecting military firearm uses, now the AR system can have that virtue as well.

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  1 of 1 people found the following review helpful:
5 of 5 Jp silent captured spring r15 February 22, 2016
Reviewer: John Lim from aliso viejo, CA United States  
Awesome service and speedy delivery. I will definitely buy again.

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