Fightlite198466966
Fightlite Industries SCRLWRP Lower Receiver for AR/M4$645.99
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Availability: In Stock
The Strike Industries AR-15/M4 Lower Receiver Spring Kit is a practical solution for anyone who builds, maintains, or repairs AR platform rifles. Whether you're an armorer managing inventory for a department, a gunsmith juggling multiple builds, or a serious hobbyist who touches enough lowers to justify bulk component storage, having a complete assortment of lower receiver springs on hand saves time and frustration. This kit organizes the eight spring types you'll actually need in a clear plastic box with dedicated compartments, so you're never digging through a parts bin or making an emergency hardware store run mid-build.
The kit includes 20 each of the springs that make an AR lower tick: bolt catch spring, buffer retainer spring, trigger spring, hammer spring, disconnector spring, magazine catch spring, selector spring, and detent spring. That's 160 springs total—enough for serious volume work or a lifetime supply for the casual builder. The black-finished springs are laid out in a snap-lid storage box designed to keep everything sorted and within arm's reach of your workbench.
This isn't a fancy upgrade or a tactical gimmick; it's an armorer's tool. If you're building multiple uppers and lowers, teaching others, or maintaining rifles as part of your job, having these springs pre-sorted and counted cuts assembly time and eliminates guesswork about spring types and sizes. The compartmentalized box means you're not dumping a pile of springs on the bench and hunting for the right one by feel.
| Brand | Strike Industries |
| Fits | AR-15/M4 lower receivers |
| Included Springs | Bolt catch, buffer retainer, trigger, hammer, disconnector, magazine catch, selector, detent (20 each) |
| Container | Clear plastic box with snap lid and compartments |
| Finish | Black |
The kit contains 20 each of bolt catch spring, buffer retainer spring, trigger spring, hammer spring, disconnector spring, magazine catch spring, selector spring, and detent spring—all the springs used in an AR-15 or M4 lower receiver assembly.
Yes. This kit is designed for AR-15/M4 lower receivers and the springs are compatible with standard AR platform builds and repairs.
With 20 of each spring type included, you have enough for 20 complete lower assemblies, making this kit well-suited for armorers, gunsmiths, and high-volume builders who need a reliable supply on hand.
The springs come in a clear plastic box with a snap lid and separate compartments for each spring type, keeping everything organized and easy to find during assembly or repair work.
SKU: 115766145 • Width: 4in • Height: 0.5in • Depth: 4.7in • Weight: 0.1oz
Availability: In Stock
The Strike Industries AR-15/M4 Lower Receiver Spring Kit is a practical solution for anyone who builds, maintains, or repairs AR platform rifles. Whether you're an armorer managing inventory for a department, a gunsmith juggling multiple builds, or a serious hobbyist who touches enough lowers to justify bulk component storage, having a complete assortment of lower receiver springs on hand saves time and frustration. This kit organizes the eight spring types you'll actually need in a clear plastic box with dedicated compartments, so you're never digging through a parts bin or making an emergency hardware store run mid-build.
The kit includes 20 each of the springs that make an AR lower tick: bolt catch spring, buffer retainer spring, trigger spring, hammer spring, disconnector spring, magazine catch spring, selector spring, and detent spring. That's 160 springs total—enough for serious volume work or a lifetime supply for the casual builder. The black-finished springs are laid out in a snap-lid storage box designed to keep everything sorted and within arm's reach of your workbench.
This isn't a fancy upgrade or a tactical gimmick; it's an armorer's tool. If you're building multiple uppers and lowers, teaching others, or maintaining rifles as part of your job, having these springs pre-sorted and counted cuts assembly time and eliminates guesswork about spring types and sizes. The compartmentalized box means you're not dumping a pile of springs on the bench and hunting for the right one by feel.
| Brand | Strike Industries |
| Fits | AR-15/M4 lower receivers |
| Included Springs | Bolt catch, buffer retainer, trigger, hammer, disconnector, magazine catch, selector, detent (20 each) |
| Container | Clear plastic box with snap lid and compartments |
| Finish | Black |
The kit contains 20 each of bolt catch spring, buffer retainer spring, trigger spring, hammer spring, disconnector spring, magazine catch spring, selector spring, and detent spring—all the springs used in an AR-15 or M4 lower receiver assembly.
Yes. This kit is designed for AR-15/M4 lower receivers and the springs are compatible with standard AR platform builds and repairs.
With 20 of each spring type included, you have enough for 20 complete lower assemblies, making this kit well-suited for armorers, gunsmiths, and high-volume builders who need a reliable supply on hand.
The springs come in a clear plastic box with a snap lid and separate compartments for each spring type, keeping everything organized and easy to find during assembly or repair work.
SKU: 115766145 • Width: 4in • Height: 0.5in • Depth: 4.7in • Weight: 0.1oz