
Availability: In Stock
The Sprinco USA Spring Kit-Buffer Enhanced 4-Coil Bolt Extractor Spring is an intermediate-power rifle spring designed for shooters looking to fine-tune their AR platform's cycling characteristics without the trial-and-error of switching between off-the-shelf options. This buffer spring emerged from a production run that landed perfectly between Sprinco's standard White and Blue spring loads—a sweet spot that proved valuable for tuners and builders seeking measured performance gains between those two common specifications.
If you're building or tuning an AR-15, AR-10, or other direct impingement rifle, buffer spring selection directly affects reliability, felt recoil, and bolt carrier group cycling speed. The Hot White spring formula gives you a middle ground that works as a practical solution for most shooters—whether you're running a suppressor, short-stroke system, or just want smoother operation than mil-spec delivers. It's equally at home on the range, in competition, or in the field, and serves both shooters who want to optimize their platform and those who prefer something better than basic mil-spec without radical tuning.
Sprinco springs are engineered for consistent performance across temperature ranges and shot counts, so you're not guessing at reliability. This kit gives you the bolt extractor spring component needed to complete or refresh your buffer system assembly.
The Sprinco Spring Kit-Buffer Enhanced is designed for AR-platform rifles. Verify compatibility with your specific upper and lower receiver configuration before installation.
This spring offers intermediate power—performance between Sprinco's White and Blue spring loads. It provides tuning benefits over basic mil-spec while remaining practical for most shooters without extreme customization. It works well on standard builds and those running suppressors or short-stroke systems.
Yes. The intermediate power rating makes it a solid choice for suppressed ARs, which typically benefit from springs that manage the added back-pressure of a suppressor.
This is a buffer spring kit focused on the bolt extractor spring component. Verify contents against your build requirements before purchasing to ensure you have all necessary parts for your assembly.

SKU: 197559410 • Weight: 0.17oz





Availability: In Stock
The Sprinco USA Spring Kit-Buffer Enhanced 4-Coil Bolt Extractor Spring is an intermediate-power rifle spring designed for shooters looking to fine-tune their AR platform's cycling characteristics without the trial-and-error of switching between off-the-shelf options. This buffer spring emerged from a production run that landed perfectly between Sprinco's standard White and Blue spring loads—a sweet spot that proved valuable for tuners and builders seeking measured performance gains between those two common specifications.
If you're building or tuning an AR-15, AR-10, or other direct impingement rifle, buffer spring selection directly affects reliability, felt recoil, and bolt carrier group cycling speed. The Hot White spring formula gives you a middle ground that works as a practical solution for most shooters—whether you're running a suppressor, short-stroke system, or just want smoother operation than mil-spec delivers. It's equally at home on the range, in competition, or in the field, and serves both shooters who want to optimize their platform and those who prefer something better than basic mil-spec without radical tuning.
Sprinco springs are engineered for consistent performance across temperature ranges and shot counts, so you're not guessing at reliability. This kit gives you the bolt extractor spring component needed to complete or refresh your buffer system assembly.
The Sprinco Spring Kit-Buffer Enhanced is designed for AR-platform rifles. Verify compatibility with your specific upper and lower receiver configuration before installation.
This spring offers intermediate power—performance between Sprinco's White and Blue spring loads. It provides tuning benefits over basic mil-spec while remaining practical for most shooters without extreme customization. It works well on standard builds and those running suppressors or short-stroke systems.
Yes. The intermediate power rating makes it a solid choice for suppressed ARs, which typically benefit from springs that manage the added back-pressure of a suppressor.
This is a buffer spring kit focused on the bolt extractor spring component. Verify contents against your build requirements before purchasing to ensure you have all necessary parts for your assembly.
SKU: 197559410 • Weight: 0.17oz
