Matrix - Sniper Rifle Upgrade Kit - VSR-10/Bar-10/MB03/MB07
- M170 Spring
- Stainless Steel Bearing Spring Guide Rod
- Stainless Steel Piston in Light Weight Design
- Power up to 500-550fps!
DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.
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