|GEN 2 Silent Captured Spring (patented) for AR-10-type rifles
Includes spacer to allow for installation in both carbine- and rifle-length buffer tubes.
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.
See our FAQ section if you have more compatibility questions.
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