Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
Customer Reviews
Helpful Positive Review
Home defense by Yuhri Miller, Verified Owner, February 8, 2025
I bought these for home defense because I live in a house that is part of a quad and I have to be careful of over penetration. They give a nice tight pattern but of course I can't tell you of how they work for thenpurpose they're intended for and I ...
Read More...
1/1 found this helpful
Most Recent Reviews
Private Investigator by RF, Verified Owner, May 21, 2024
Used to get some home defense and target ammo. Price was right and will use again
Most Recent Reviews
Clean , reliable, not much recoil. Will definitely buy again
Most Recent Reviews
Good Stuff for Home Defense by Big R, February 3, 2024
Barnes makes very good ammo but I would MUCH rather prefer 27 BB’s in my #4 buck. I would prefer Federal or Remington if they still made #4 buck like they used to.
Read All 4 Reviews
In Stock
2 Models Available
Number of Rounds
All
Search

Please note: For safety reasons, OpticsPlanet is not able to accept returns of ammunition for any reason, and no refunds will be issued for any returned ammunition.

Product Info for Barnes Defense Buckshot 12 Gauge 4 Buck 21 Pellets 2.75'' Shotgun Ammunition

The massive terminal punch and dense consistent patterns you want when the stakes are at their highest. Every round of Barnes 00 Buckshot is produced with the uncompromising precision and reliability, because every load just may be the one lives depend on.image

Specifications for Barnes Defense Buckshot 12 Gauge 4 Buck 21 Pellets 2.75'' Shotgun Ammunition:

Manufacturer: Barnes
Gauge: 12
Shell Length: 2 3/4 in
Muzzle Velocity: 1200 ft/s
Included Accessories: None
Application: Personal Defense
Shot Size: 4 Buck
Shotgun Shot Weight: 1 oz
Shot Material: Copper-Plated Lead
Cartridge Case Material: Brass
Shotgun Pellet Count: 21
Lead Free: Yes

Package Contents:

  • Barnes Defense Buckshot 12 Gauge 4 Buck 21 Pellets 2.75'' Shotgun Ammunition

Barnes Defense Buckshot 12 Gauge 4 Buck 21 Pellets 2.75'' Shotgun Ammunition Orderable Models

List of Orderable Models

  • Barnes Defense Buckshot 12 Gauge 4 Buck 21 Pellets 2.75in Shotgun Ammo, 100 Rounds , MPN: 32012-KIT3 , Code: BTE-LBS-DBU16C-32012-KIT3
  • Barnes Defense Buckshot 12 Gauge 4 Buck 21 Pellets 2.75in Shotgun Ammo, 5 Rounds, 32012 , MPN: 32012 , UPC: 716876122103 , Code: BTE-LBS-DBU16C-32012
Compare (0)