ID: 58974 (GB-RA-6390)
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color may vary in black or silver
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Unlike most other gearbox shells on the market, the Retro Arms CZ gearbox shells are precision CNC machined out of a solid block of billet 7075 T6 aluminum giving them unmatched durability and resilience. Combined with reinforcement of key stress points and stainless steel connecting bolts, the gearbox shell has undergone extensive stress tests with M160 springs without any signs of wear.
- Precision machined from 7075 T6 billet aluminum
- Durable anodized finish
- Reinforcement in key stress points to counter rapid wear from high performance parts
- Pre-radiused cylinder windows - helps evenly distribute impact force
- Deeper wire channels along base of gearbox
- Includes heavy-duty, metal ball-bearing spring guide
For A&K, Classic Army and other compatible M249 gearboxesMaterial:
CNC Billet 7075 T6 AluminumColor:
Retro Arms CZDisclaimer:
Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.
(Write a review)
"Very sturdy gearbox. You will experience a gearbox CNC porn!
However it DOES NOT come with a bearing spring guide as it is described.
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