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Product Information
The Hollis SMS100 Rail Kit is a replacement rail set accessory for the Hollis SMS100 sidemount BCD, sold as one set under Hollis SKU 208.1039. It falls within Hollis's Buoyancy Accessories lineup and is intended to let SMS100 owners replace or service the rail hardware on their existing rig.
Who it is for
This rail kit is for divers who already own a Hollis SMS100 sidemount BCD and need a factory replacement rail set, whether to swap out worn hardware or to keep a spare on hand for travel and maintenance. It is not a standalone BCD component and is meant to be used with the SMS100 system specifically.
Key details
- Hollis SKU 208.1039, also listed as MPN 208.1039
- Barcode 020545208990
- Sold as one set
- Category: Buoyancy Accessories, Technical Accessories
- Carries a California Proposition 65 warning for nickel exposure
Compatibility and sizing
The SMS100 Rail Kit is built to fit the Hollis SMS100 sidemount BCD. Hollis has not published additional sizing or cross-model compatibility details for this part.
DiveCatalog.com is an authorized Hollis dealer and has operated as a dive shop in Irvine, California since 2003. Call 888-701-4017 or start a chat if you want to confirm fit with your SMS100 setup before ordering.
- Replacement rail set designed as a factory accessory for the Hollis SMS100 sidemount BCD.
- Sold as one set per Hollis's product listing.
- Hollis SKU 208.1039 is the manufacturer's identifying part number for this kit.
- MPN 208.1039 matches the Hollis manufacturer part number.
- Barcode 020545208990 is assigned to this specific rail kit.
- Category placement under Hollis Buoyancy Accessories, Technical Accessories.
- Prop 65 nickel warning is listed on the manufacturer page for California customers.
- Hollis brand part intended for use with the SMS100 sidemount system.
| Brand | Hollis |
| Product Name | SMS100 Rail Kit |
| SKU | 208.1039 |
| MPN | 208.1039 |
| Barcode | 020545208990 |
| Category | Buoyancy Accessories, Technical Accessories |
| Packaging | Sold as one set |
| Compatibility | Hollis SMS100 Sidemount BCD |
| Prop 65 Warning | Nickel exposure (California) |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the Hollis SMS100 Rail Kit compatible with?
The Hollis SMS100 Rail Kit is built specifically for the Hollis SMS100 sidemount BCD. Hollis has not published compatibility with any other BCD model, so this rail set should be used only on the SMS100 system it was designed for.
How many rails come in the SMS100 Rail Kit?
Hollis lists the SMS100 Rail Kit as sold in one set, but the manufacturer page does not publish the exact piece count beyond that. If you need to confirm the specific contents before ordering, contact DiveCatalog.com at 888-701-4017.
Does the SMS100 Rail Kit contain nickel?
Yes, the Hollis product listing for the SMS100 Rail Kit carries a California Proposition 65 warning for nickel exposure. Divers with nickel sensitivities should be aware of this before purchasing or handling the part.












