# Wise Arms WA-15B .450 Bushmaster 16" Semi-Auto Rifle - Black

**Brand:** Wise Arms
**Category:** Semi-Automatic Rifles
**Caliber:** .450 Bushmaster

## Specifications

- **Caliber:** .450 Bushmaster
- **Barrel Length:** 16"
- **Capacity:** 5 rounds
- **Finish:** Black Cerakote
- **Weight:** 103.2 oz
- **UPC:** 721867101678
- **SKU:** UCChwunB0

## Description

The Wise Arms WA-15B is a semi-automatic rifle chambered in .450 Bushmaster. It ships with a 5-round magazine and a canvas carry bag.

### Key Specifications
- **Model:** WA-15B
- **Caliber:** .450 Bushmaster
- **Action:** Semi-Auto
- **Barrel Length:** 16 inches
- **Capacity:** 5 + 1 rounds (5 rd. magazine included)
- **Weight:** 6.45 lbs.
- **Shipping Weight:** 10.25 lbs.
- **Finish:** Black Cerakote
- **Receiver Material:** Billet Aluminum
- **Thread Pattern:** 5/8x24
- **Safety Features:** 2-position thumb safety
- **Additional Features:**
    - Rate-of-Twist: 1-in-24
    - M-Lok Handguard (15 inches)
    - Oversized Trigger Guard
    - 3.5 lb Trigger Kit
    - Comes with a canvas carry bag

### Features

The 1-in-24 twist rate is matched to the .450 Bushmaster's large-diameter projectiles. Standard AR twist rates don't stabilize them reliably, so this is a meaningful spec. The threaded 5/8x24 barrel accepts standard muzzle devices, including suppressors. The 15-inch M-Lok handguard leaves plenty of room for accessories.

The billet aluminum receiver keeps weight at 6.45 lbs., which is light for a .450 Bushmaster build. The adjustable A2 stock and oversized trigger guard accommodate different shooter preferences and gloved hands. The 3.5 lb. trigger kit ships installed.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Wise Arms WA-15B in .450 Bushmaster generally appreciate what it does well, with a few practical concerns that come up regularly.

Build quality and reliability get good marks. The semi-auto action handles follow-up shots quickly, which is useful both in the field and on a timer. The .450 Bushmaster caliber is the main draw for hunters. It delivers significant stopping power for large game and performs at a range of distances. The 6.45 lb. weight is considered a strength for most users; it's light for the caliber.

Recoil is a recurring topic. Most shooters find it manageable, but a noticeable number recommend adding a muzzle brake or compensator to tame the .450 Bushmaster's kick, especially for extended sessions. The 5+1 capacity is inherent to the caliber's larger case dimensions and is worth knowing going in. It's the same limitation across most .450 Bushmaster builds, not specific to this rifle.

The modular AR platform is appreciated for its accessory compatibility. Optics, grips, and other standard AR components drop right in. Price opinions are mixed: some buyers find it competitive given the cerakote finish and billet receiver; others compare it unfavorably to alternative .450 Bushmaster options.

## Pricing

**5 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $805.54 |
| Shootingsurplus Com | $808.36 |
| Grabagun Com | $809.99 |
| Kygunco Com | $819.24 |
| Buds Gun Shop | $821.49 |

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*Data from [GunsNation](https://gunsnation.com)*