CMMG AR-15 Lower Spring and Pin Kit, Mil-Spec
$14.95
This CMMG mil-spec kit includes every small pin and spring needed to finish or repair a standard AR-15 lower receiver in one affordable package.
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CMMG AR-15 Lower Spring and Pin Kit (Mil-Spec)
This CMMG kit covers the small pins and springs needed to finish or repair an AR-15 lower receiver in one package. Every part is machined to mil-spec dimensions, so it seats and functions correctly in a standard lower without fitting.
Key Features
- Complete lower spring and pin kit for AR-15
- All parts meet or exceed Mil-Spec dimensions
- Works for new builds or lower repairs
- Includes: trigger spring, hammer spring, 2 hammer/trigger pins, 2 takedown springs, disconnector spring, safety selector detent & spring, bolt catch spring/plunger/coil pin, trigger coil pin, buffer retainer & spring, takedown detent
Specifications
| UPC | 815835011974 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part # | 55AFF75 |
| Model | AR |
| Type | Lower Spring and Pin Kit |
| Fit | AR-15 |
| Color | Black |
| Mil-Spec | Meets or Exceeds |
| Subcategory | Long Gun Parts |
| Type | Lower Spring and Pin Kit |
|---|---|
| Fit | AR-15 |
| Color | Black |
| Brand |
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- What platform does this kit fit? It fits standard mil-spec AR-15 lower receivers. All springs and pins are machined to mil-spec dimensions.
- What components are included? The kit includes the springs and pins needed for a complete standard AR-15 lower receiver assembly. Check the product description for a full parts list.
- Is this suitable for new builds? Yes. It provides all the small parts needed to complete a standard AR-15 lower from a stripped receiver.
- Are these components mil-spec? Yes. All dimensions follow standard mil-spec specifications for compatibility with any mil-spec AR-15 lower receiver.
- Can I use this as a spare parts kit? Yes. Keeping a spring and pin kit on hand is a practical way to avoid build delays when small parts are lost or damaged.






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