Brass Knuckles Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Brass Knuckles sales on Amazon US totaled 16,900 units in July 2026 (▼ 32.1% vs. the prior month), generating an estimated $332,862 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 97.0% of unit volume and 97.7% of revenue, while a typical listing is priced at $20.97. The keyword itself pulled 36,803 Amazon queries over the same period (▼ 24.0% MoM).
Zooming out to the 12-month window ending July 2026, the brass knuckles Top 50 moved 241,600 units and $5,082,996 in cumulative sales — an average of 20,133 units and $423,583 per month. Monthly throughput topped out at 42,950 units in December 2025 and dipped to 10,350 in May 2026, leaving the latest reading 5.3% lower than August 2025.
Brass Knuckles Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
16.9K
▼ 32.1% MoM
Monthly Revenue 2026/07
$332.9K
▼ 43.9% MoM
Top 10 Market Share 2026/07
97.0%
Brass Knuckles Market Share & Sales Concentration on Amazon US — July 2026
The most-sold brass knuckles listing on Amazon US in July 2026 is ASIN B0DFLG28KV (Brand: JUKMO), which sold 10,000 units at $14.98 apiece — equal to 59.2% of every unit tracked in this report and 3.3× the volume of the No. 2 listing.
The Top 10 ASINs account for 16,400 units and $325,367 in July 2026 — 97.0% of unit volume and 97.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Brass Knuckles' on Amazon
July 2026









Is 97.0% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown

B0DFLG28KV
JUKMO Men's Stretch Tactical Belt, 1.5" Elastic Nylon Web with Flip Buckle
10K
▲ 0.0%vs. prior month
$141.1K
latest month
12-month trend

B01N0WEFQ8
Walker's Razor Slim Electronic Muff
3K
▼ 70.0%vs. prior month
$112.5K
latest month
12-month trend

B084RCFDJ3
Streetwise Pain Pen 25,000,000 Volts Stun Gun for Self Protection - Tactical Stun Pen for Women and Men, USB Rechargeable, Battery Indicator, Durable Clip, Compact and Concealable for Protection
1K
▲ 0.0%vs. prior month
$21.9K
latest month
12-month trend

B00NG3CRS6
VIPERTEK Double Lock Steel Police Edition Professional Grade Handcuffs (Black)
800
▼ 20.0%vs. prior month
$19.3K
latest month
12-month trend

B0D28ZL9HN
FUNBRO Cute Box Cutter Small Pocket Knife Gadgets | Pink Keychain Knife Stocking Stuffers Gifts for Mom, Womens Christmas Gift for Her
700
▼ 22.2%vs. prior month
$7K
latest month
12-month trend

B07Y43LPNL
Big Rig Defense Tire Thumper, Trucker Tool for Checking Tire Pressure, 10 Ounces
300
▲ 200.0%vs. prior month
$6K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Brass Knuckles Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
JUKMO is the best-performing brass knuckles brand in July 2026, moving 10,000 units across 1 ASIN for 61.0% of Top 10 volume. Walker's follows with 3,000 units (18.3%), ahead of STREET WISE SECURITY PRODUCTS on 1,000 units (6.1%).
With 10 brands splitting the Top 10 and 85.4% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $14.98 to $44.88, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
JUKMO
1 ASIN in Top 10
61.0%
Units
10K
Revenue
$141.1K
Avg. price
$14.98

B0DFLG28KV
$14.98·★4.7·12.7K revsJUKMO Men's Stretch Tactical Belt, 1.5" Elastic Nylon Web with Flip Buckle
Units sold10K
Walker's
1 ASIN in Top 10
18.3%
Units
3K
Revenue
$112.5K
Avg. price
$44.88

B01N0WEFQ8
$44.88·★4.8·85.1K revsWalker's Razor Slim Electronic Muff
Units sold3K
STREET WISE SECURITY PRODUCTS
1 ASIN in Top 10
6.1%
Units
1K
Revenue
$21.9K
Avg. price
$21.95

B084RCFDJ3
$21.95·★4.4·6K revsStreetwise Pain Pen 25,000,000 Volts Stun Gun for Self Protection - Tactical Stun Pen for Women and Men, USB Rechargeable, Battery Indicator, Durable Clip, Compact and Concealable for Protection
Units sold1K
Trending Brass Knuckles Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B07Y43LPNL leads positive momentum with ▲ 200.0% MoM growth on 300 units, with B09CPQ7V8C close behind at ▲ 100.0% MoM on 100 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B07Y43LPNL
Big Rig Defense Tire Thumper, Trucker Tool for Checking Tire Pressure, 10 Ounces
Price
$19.97
Rating
4.7
Reviews
4.5K
Latest month sales

B09CPQ7V8C
INJORA Black Brass Steering Knuckles Counterweights for Axial SCX24 AX24
Price
$12.99
Rating
4.5
Reviews
185
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this brass knuckles report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card