GEN 2 Silent Captured Spring for AR-10-type rifles
H2 Buffer Version
Includes spacer to allow for installation in both carbine- and rifle-length buffer tubes.
Weight: 6.6 oz.
Receive 20% off the associated JPSCS Spring Pack with purchase.
The JPSCS2-10 is designed to work in standard 7-inch M16/M4-length buffer extension tubes on .308 AR-type rifles like the DPMS LR-308. Armalite .308 rifles, likewise, use these standard M16 extension tubes with rifle-length stocks, so this unit will function normally when installed with the supplied spacer. However, Armalite's .308 carbines use a slightly longer, non-standard carbine extension tube. The JPSCS2-10 can still be used with these extension tubes by installing the spacer, which must be modified to fit. Alternately, the system will function readily if the longer Armalite carbine tube is replaced with a standard 7-inch .223 carbine extension tube.
The JPSCS2-10 is not compatible with the HK MR762, the Sig Sauer 716, or the Rock River Arms LAR-8 because of their longer bolt stroke and subsequently longer extension tube. The JPSCS2-10 requires is minimum depth of 4.4” which is incompatible with the DPMS GII, Remington R-25 GII and certain other rifles. It is also not compatible with the POF Revolution DI due to its slightly altered geometry or the Daniel Defense DD5 bolt carrier due to a lack of clearance for the guide rod.
See our FAQ section if you have more compatibility questions.
SCS Buffer Retainer Pin
Because the insertion and removal of the Silent Captured Spring is very difficult with a standard buffer retainer pin, we recommend removing it when installing your SCS. This leaves the SCS "free-floating" in the buffer tube. While this isn't a problem when the receivers are closed, some shooters find it objectionable. In this case, we have a custom Silent Captured Spring Buffer Retainer Pin and Spring available to retain the SCS without the snagging caused by the Mil-spec design.
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