U.S. Optics Rail Mounted ACD BBL-300 (Swivel)


U.S. Optics Rail Mounted ACD, BBL-300 (Swivel)

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US Optics Rail Mounted Anti-Cant Device w/ Bubble Level (Swivel)

The U.S. Optics Swivel Anti-Cant Device (ACD) is a swivel bubble level manufactured from 6061-T6 Aluminum and then Type III hard-anodized for durability. The swivel ACD comes with a screw-on vial cover to protect the level during storage, but during shooting, the cap can be screwed onto the opposite end’s cap saver for safe storage. Mounts to all 1913 picatinny rails.


  • Weight: 1 kg
  • Dimensions: 3 × 3 × 3 cm
  • Weight: 1 lbs
  • Dimensions: 7 x 5 x 5 in
  • Height: 0.649
  • Length: 3.231

Item Number: BBL-300


Rangeview Sports Canada.
Licensed Gun Shop in Newmarket, GTA, Ontario, Canada.

  • Stock image may be displayed. Actual product may not be exactly as shown.
  • We do our best to keep online inventory quantity adjusted to match the retail store. However, please be advised that there is a delay when current levels are synced. All inventory is synced every few hours during business hours.
  • All pricing is subject to change without notice
  • Oversized, overweight, or bulk small-pack ammunition orders are subject to additional shipping charges
  • Orders will be processed and shipped within retail store hours.
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