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JP Silent Captured Spring Builder Kit w/ Spring Pack - Gen 2 - AR10
AR-10 Silent Captured Spring Builder's Kit

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Our Price: $159.95
Sale Price: $151.95

Availability:: Out of Stock
Product Code: JPSCS2-10K

JP Silent Captured Spring - Builder's Kit with Spring Pack - AR-10 - Gen 2

The Builder's Kit Includes a Partially Assembled JP Silent Captured Spring Unit and an Alternate Spring Pack with 3 spring weights. Designed for those who want to try different spring weights so you don't have to disassemble the unit when you get it. Standard assembled units have the retaining screw secured with Red Loctite so it needs to be heated to remove it. This kit eliminates that step and saves you money over buying the spring pack separately.

Is proper length for AR-15 (7") collapsible stock tubes which are used in many DPMS pattern .308 rifles. Includes a spacer which makes it compatible with fixed stocks as well. It a collapsible stock tube is 7.75" AR-10 length, the spacer can be trimmed to make that work as well.

Reciprocating mass is 3.1 ounces with the three steel weights that come on it. Replacement tungsten weights are available separately if you desire to increase the mass.

Compatibility: The JPSCS2-10 is not compatible with the HK MR762, the Sig 716, or the Rock River LAR-8 due to the longer bolt throw of these rifles. May not lock open on last round on Colt 901 rifles unless you use the alternate JP spring pack. The 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.
  • Captured Spring and Buffer System Partially Assembled with Alternate Spring 3 Pack
    Quietest and Smoothest Operation possible for your AR-10
    Fits Fixed or Collapsible Stocks

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