CP Proto Matrix Rail Back Cap
- Description
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Details
Have an old, stripped out or cracked back cap? Replace that plastic thing with an aircraft-grade aluminum cap from Custom Products. The CP PM Rail back cap vents 40% more air than the stock cap, improving bolt cycle time and increasing the rate of fire.
- Specifications
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Additions
Manufacture Custom Products Warranty 30 days Sku CP-001-613 Compatibility Universal - Reviews
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