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Atomic Aquatics

Atomic BC2 Back Inflate BCD

$1,599.95
Type
Back-Inflation
Lift
30–47 lb 13.6–21.3 kg
Weight
9.5-10.5 lb 4.3-4.8 kg
Ditchable
Up to 20 lb 9.1 kg
Size: SmallFind your size ↓

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Policy
Limited Warranty 2 year coverage Limited
Warranty 2
Year Coverage

Description



Transform your underwater adventures with the Atomic BC2 Back Inflate BCD, crafted from innovative laminated and coated waterproof fabric that stands up to the toughest conditions while remaining incredibly lightweight. It's designed for divers who value durability and performance, ensuring you stay buoyant and comfortable through every plunge. Experience the exceptional with the patented EZ-LOK Weight System, allowing for quick weight adjustments, so you can focus on what matters most: enjoying your dive.

The quilted backpad and lumbar support provide unparalleled comfort during those longer dives, making fatigue a thing of the past. Customize your fit with the adjustable harness, cummerbund, and EZ-LOK buckles that adapt to your silhouette. This BCD's streamlined profile promises optimal buoyancy and notably reduces drag, propelling you smoothly through the water, whether you're exploring vibrant reefs or navigating underwater caves.

Add in unique features like the easy-to-use ratcheting CAM-LOK tank band, designed to secure any size tank without slipping, and you'll find that the Atomic BC2 is more than just a piece of equipment; it's your trusted companion in every diving expedition. Elevate your diving experiences with this high-performance buoyancy compensator!

What's Included?

  • Atomic Aquatics BC2 BCD
  • (Inflator assembly sold separately - SS1 or standard LP)

Your Dive, Our Priority

Get support from passionate diving experts dedicated to going the extra mile for you.

  • Troubleshooting a product issue
  • Finding the right setup for your dive
  • Installing components

Lift & Fit by Size

Select the right BCD size for your height, weight, and lift needs.

Size Lift CapacityHeight RangeWeight RangeWaist Range
S 30 lb 13.6 kg 5′2″–5′7″ / 157–170 cm120–155 lb / 54–70 kg27–42 in / 69–107 cm
M 34 lb 15.4 kg 5′7″–5′10″ / 170–178 cm150–165 lb / 68–75 kg30–45 in / 76–114 cm
ML 36 lb 16.3 kg 5′10″–6′0″ / 178–183 cm160–190 lb / 73–86 kg31–47 in / 79–119 cm
L 45 lb 20.4 kg 6′0″–6′2″ / 183–188 cm180–210 lb / 82–95 kg35–50 in / 89–127 cm
XL 47 lb 21.3 kg 6′2″–6′5″ / 188–196 cm195–240 lb / 88–109 kg37–52 in / 94–132 cm

Between sizes? If your height and weight suggest different sizes, choose based on your weight.

Is This BCD Type Right for You?

Back-Inflate BCD

The whole air cell sits behind you; the front is a slim harness with chest and waist straps.

Pros

  • Naturally horizontal trim underwater
  • Less drag, with a clear chest for gear and accessories
  • Often modular, and still available weight-integrated

Trade-offs

  • Can push you face-forward at the surface — roll onto your back to rest
  • Slightly trickier to vent completely
  • Takes a little practice if you are coming from a jacket

Best For

Divers who want better underwater efficiency, frequent divers, and anyone who may progress toward tech.

Compare BCD styles

Product Features

Patented EZ-LOK Weight System

Patented EZ-LOK Weight System

Zippered pouches hold up to 10 lb each (14 lb XL) and release with a single pull; the zip-and-lock design won't eject weights on entry, and the pouches are neutrally buoyant.

Ratcheting CAM-LOK Tank Band

Ratcheting CAM-LOK Tank Band

Locks onto virtually any tank diameter in seconds without tools and releases with one lever - faster and more secure than cam buckles.

Double-Laminated PU Fabric

Double-Laminated PU Fabric

Cut, abrasion, and UV resistant, with corrosion-proof metals throughout - the hardware outlasts lesser BCDs' nylon.

Dry Glide Dump Valves

Dry Glide Dump Valves

316 SS valves vent smoothly; patented anti-float knobs stay down and reachable during descent.

Sand-Resistant Pocket Zippers

Sand-Resistant Pocket Zippers

Uniquely Atomic Aquatics, the self-sealing zipper closes completely to prevent sand or debris from getting caught in zipper teeth.

SS1 Safe Second Compatibility

SS1 Safe Second Compatibility

Pairs with Atomic's SS1 combined backup regulator/inflator - lifetime warranty, one less hose.

Patented EZ-LOK Weight System

Patented EZ-LOK Weight System

Zippered pouches hold up to 10 lb each (14 lb XL) and release with a single pull; the zip-and-lock design won't eject weights on entry, and the pouches are neutrally buoyant.

Ratcheting CAM-LOK Tank Band

Ratcheting CAM-LOK Tank Band

Locks onto virtually any tank diameter in seconds without tools and releases with one lever - faster and more secure than cam buckles.

Double-Laminated PU Fabric

Double-Laminated PU Fabric

Cut, abrasion, and UV resistant, with corrosion-proof metals throughout - the hardware outlasts lesser BCDs' nylon.

Dry Glide Dump Valves

Dry Glide Dump Valves

316 SS valves vent smoothly; patented anti-float knobs stay down and reachable during descent.

Sand-Resistant Pocket Zippers

Sand-Resistant Pocket Zippers

Uniquely Atomic Aquatics, the self-sealing zipper closes completely to prevent sand or debris from getting caught in zipper teeth.

SS1 Safe Second Compatibility

SS1 Safe Second Compatibility

Pairs with Atomic's SS1 combined backup regulator/inflator - lifetime warranty, one less hose.

Specifications

Buoyancy & Weight

Lift Capacity
30–47 lb 13.6–21.3 kg (by size)
Dry Weight
9.5-10.5 lb / 4.3-4.8 kg
Bladder Material
Double-laminated polyurethane-coated fabric
Weight-Integrated
Yes
Max Ditchable Weight
Up to 20 lb / 9.1 kg
Trim Pockets
Yes (Up to 5 lb / 2.3 kg per pocket)

Construction

Outer Shell
Double-laminated polyurethane-coated fabric
D-Rings
4 stainless
Dump Valves
3 — Left shoulder pull-dump (inflator), right bottom overpressure relief, right shoulder

Tank & Wing

Tank Band
Single · 1 cam band
Inflation
Sold Seaparately- Atomic SS1 Safe Second/Inflator or standard LP inflator
Cylinder Compatibility
Wide range via ratcheting CAM-LOK

Fit & Warranty

Sizes Available
S–XL
Fit
Unisex
Recommended For
Recreational, Technical
Warranty
2-year limited (BC2); lifetime on SS1 inflator (original owner)

Product Details

User Guide
Shipping & Returns
  • Free standard shipping on orders over $50
  • Free 2-day shipping on orders over $300
  • Standard Ground delivery in 3–5 business days
  • Most orders process within 1 business day
  • Free returns within 60 days — buyer covers return shipping unless it's our error
  • Free return shipping on exchanges

Start a Return →

Questions? Email info@sbaquatics.com or see our full Shipping & Returns Policy.

Reviews

Frequently Asked Questions?

Does the Atomic BC2 come with an inflator?

No - the inflator is sold separately. It's designed for the Atomic SS1 Safe Second/Inflator (lifetime warranty), but any standard LP inflator works.

How does EZ-LOK work - is it easy to ditch?

Weights zip into locking pouches; pulling the release handle unzips them instantly, one-handed. The pouches are neutrally buoyant so the BC2 needs no counterweight lead when empty.

What tank sizes fit the CAM-LOK band?

A wide range of aluminum and steel diameters - the ratchet self-adjusts to the tank, so switching types needs no tools or strap changes.

Is the BC2 suitable for cold-water or technical diving?

Yes - up to 47 lb of lift in XL, heavy PU-laminated construction, and corrosion-resistant hardware suit drysuit cold water and tech-leaning divers who want back-inflate trim without a full BP/W.

Need help choosing?

Our dive experts are here to help you find the right BCD. Contact us anytime with fit and compatibility questions.

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