The JP Enterprises SCS-10 Builder Kit With Spring Pack includes a spacer to allow for installation in both carbine-length and rifle-length buffer tubes. These AR15 Lower Parts from the experts at JP Enterprises are designed to work in a standard 7-inch M16/M4-length buffer extension tubes on .308 AR-type rifles like the DPMS LR-308. The JP Enterprises SCS-10 Builder Kit With Spring Pack Heavy Tungsten Version is optimal for use with short-barreled rifles (SBRs), suppressed weapons, select-fire rifles, and piston-operated rifles. For a reliable, sturdy option in silent capture spring builder kits, choose the JP Enterprises SCS-10 Builder Kit With Spring Pack.
RATING
93.25 /100
- Design
Excellent
- Performance
Excellent
- Value for money
Excellent
- Feature
Excellent
Features of JP Enterprises SCS-10 Builder Kit With Spring Pack:
- SCS-10 builder kit
- Alternate spring pack
- 3 spring weights
- PROS
- changing of springs
- CONS
Installed it on my Armalite Ar-10t w/ 24" barrel and so far so good. The kit comes with 3 varying spring tensions but the actual weight or resistance of the springs are not listed. I ended up using the heaviest, stiffest spring. I noticed that the bolt sometimes is slow to strip the next round off the mag, and failed to feed on the 2nd round. This happened only once after I initially installed the capture spring. Ran about 50 rounds after that with not issues.
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