(19680701-0) Custom Products Back Cap - PMR

Custom Products Back Cap - PMR

Price: $25.00

SKU: 19680701-0
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This is the Custom Products Proto Matrix Rail back cap. With this, you can replace your old stock back cap with this CP back cap which is made of aircraft grade aluminum and vents 40% more air than the stock cap. This increases bolt cycle time significantly which results in higher BPS rates.


  • Replaces old stock plastic back cap on Proto Matrix Rail (PMR)
  • Made with aircraft grade aluminum
  • Vents 40% more air than the stock back cap
  • Increases cycle time resulting in faster BPS

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