The SI Carbine Flat Wire Spring is an economical and easy upgrade to any AR system with a carbine buffer system. The flatwire spring increases service life of the platform, smooths out the shooting cycle, and greatly outlasts the stock spring. Increased bolt load, in addition to decreased compression force increases reliability in cycling. Additionally, all SI Flat Wire springs are cryogenically stress relieved to provide greater consistency, longer spring life, and greater resilience to high cyclic rates. At a cost not much greater than stock carbine springs, the SI Flatwire is an easy option for those either looking to replace worn buffer springs or begin new builds.
Package includes:
– 1x Carbine Length Flat Wire Spring
Product Specs:
– OD: 0.94″
– ID: 0.75″
– Length: 13 7/8″
– Rev: 35
– Gauge (Flat Wire Profile): 0.045″ x 0.0935″
Features:
– Cryo-cycled 17-7 ph steel for strength, reliability and longevity
– Decreased harmonics lessens system vibration for faster follow up shots.
– Increased bolt load for more positive feeding
– Reduces distracting AR “twang”
Shipping Policy
All items normally ship within 24-48 hours, but with Covid restrictions and flood of orders, we are looking at up to 7-10 business days. Free shipping is either USPS first class parcel, UPS Ground or FedEX Ground. Priority is also available at an additional cost. Depending on the cost of the order, we may opt for a signature. This is to protect our shipment to you so that it doesn’t get lost or stolen. Orders of $400 or more will require a signature.
Privacy Policy
We ship all packages in non-descriptive packaging. If you are trying to keep your purchase a secret from your wife, we respect that. Our label will just have your name, address and our return address with TACDOM as the company.
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