---
title: "Sig Sauer .300 AAC Blackout 125gr FMJ 20rd Ammo"
description: "125-grain FMJ .300 AAC Blackout ammunition with a listed muzzle velocity of 2,145 fps and muzzle energy of 1,277 ft-lbs. 20 rounds per box."
canonical_url: "https://www.kygunco.com/product/303768"
meta:
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  "og:description": "125-grain FMJ .300 AAC Blackout ammunition with a listed muzzle velocity of 2,145 fps and muzzle energy of 1,277 ft-lbs. 20 rounds per box."
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SGS-C300B1-20

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/303768/main.jpg?v=1777489519)

For illustration purposes only, this image may not be an exact representation of the product.

# SIG SAUER 300 Blk 125Gr CTT Supersonic 20rd Ammo

Sig Sauer Elite Performance ammunition uses a 125-grain full metal jacket projectile in .300 AAC Blackout. The 20-round load is designed for practice, training, and recreational shooting, with a listed muzzle velocity of 2,145 fps and muzzle energy of 1,277 ft-lbs.

$18.39

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$13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees.

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Item #

303768

Style

C300B1-20

UPC

798681726592

Condition

New

Manufacturer

[Sig Sauer](https://www.kygunco.com/brand/sig-sauer)

Caliber

300 AAC Blackout

Weight

2 lb

The SIG SAUER Elite Performance ammunition is designed for practice, training, and recreational shooting, delivering consistent accuracy and dependable reliability through premium component selection and precision manufacturing. Built around a 125-grain full metal jacket projectile, this .300 AAC Blackout load is optimized for shooters seeking repeatable performance and minimal velocity variation.

FEATURES

- Designed for practice and training applications
- Full metal jacket projectile
- Optimized shell case metallurgy
- Premium primer construction
- Precision-loaded with electromechanical quality monitoring
- Consistent bullet weight retention
- Engineered for minimal velocity variation

SPECIFICATIONS

- Caliber: .300 AAC Blackout
- Bullet Weight: 125 Grain
- Bullet Type: FMJ
- Ballistic Coefficient (G1): 0.313
- Muzzle Velocity: 2,145 fps
- Muzzle Energy: 1,277 ft-lbs
- Test Barrel Length: 16"
- Bullet Length: 21.3106 mm
- Rounds Per Box: 20
- Lead Free: No
- Primer Staked: No

**

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

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