Warranty returns kill any profit margin in the current market, so no one wants returns. I personally won't build a rifle without chrome silicone springs in everything involved with the rifle, or without stainless steel 1 piece gas ring simply because they stop 90% of comeback failures/stoppages. So, now that 99% of people that started reading this post are asleep, I'll give them a break and let them nap! Just a byproduct of patents running out, the popularity of the AR style platform, and cost reduction in an increasingly competitive market. The $299 'Farm Store' AR clone is likely to have crappy components. Keep in mind there is a HUGE difference between 'Music Wire' springs, while some can be quite tough, and the military contractors also sell to the civilian market (usually larger name brand makers that but in bulk), there is an increasing number of 'China Made' springs and other small parts on the market. This means magazines can be left loaded for long periods without the spring getting weak, since the ejector, extractor, trigger & hammer springs are all under pressure at all times, chrome silicone springs survive MUCH longer than music wire springs.Ĭhrome silicone springs also resist shock breakage, heat damage, and over compression damage much better than common music wire springs. Stainless coil also sweeps away sand/grit instead of grinding it into the bore of the bolt carrier.Ĭhrome silicone springs will keep spring pressure MUCH longer when compressed (or expanded). Since it's a coiled 'Spring' it expands to bore size, then gets clearance by the bore, it doesn't attempt to grind/gouge away the bore as it continues to expand, both spring pressure & thermal expansion. Stainless doesn't expand like carbon iron/steel, the tails of that gas ring doesn't spread out and gouge the bore, and keep in mind that three rings have 6 tails gouging the bore. No carbon means the carbon doesn't burn out and bind with carbon from the combustion gasses so it doesn't gouge the bore, Stainless doesn't contain carbon, so they don't corrode creating rough edges that gouge the Bolt Carrier Bore, The one piece spiral stainless steel gas ring is somewhat hard to install, but is softer than the ductile iron rings used by virtually all manufacturers. I've seen hundreds of Bolt Carriers tossed, the gas rings gall and oversize the bore. This is the metalurigic viewpoint which usually puts people to sleep, when you start eyes glaze over, mouths gape open, yawns, then naps. While music wire springs might have 100,000 cycle lifespan, chrome silicone can easily have a million cycle lifespan. I agree with chrome silicone springs (depending on quality).
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