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costume gun

Skip it

A small market ($20K/yr) — this niche doesn't clear our bar today.

Market size 5Growth 23Conversion 9Competition 78Returns 34Price range 53Avg price 95Brand share 79Review moat 53Quality gap 82

Avg price

Incredible$30.81

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Great56%

top-5 brand share — no brand owns this niche

Competition

Great37%

top-5 click share — an open shelf

Review moat

Good1,382.85

avg incumbent reviews — the moat a new listing must climb

Price range

Good$6.59–$166.64

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Okay4.3%

return rate — above 5% kills the launch gate

Growth

Bad-4.1%

90-day search growth — must beat 0% to launch

Conversion

Bad0.7%

search→purchase rate — share of searches ending in a sale

Market size

Bad$20K

$20K/yr · 88K searches

According to Flapen's Amazon United States niche tracking, costume gun is a $20K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 46/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

costume gun market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$39K–$46K
units × avg price
Conversion rate
0.7%
Avg BSR
#921
Page quality
0%
Prime
80%
Sponsored
48%
Out of stock
3.7%
Avg brand age
54 months
Avg seller age
169 days

Competition & brand share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

Brands

30 rising

Sellers

114

Top-5 brand share

56%

Top 20: 93%

Top-5 click share

37%

Top 20: 72%

Open market

39%

  • Umarex18%
  • UKARMS12%
  • LALAPORT12%
  • Munetoshi7%
  • EagleGrove6%
  • MASTER USA5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.1% search growth over the last 90 days.
18K13KSpike '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 9.6×

Top costume gun search terms

  • cosplay gun21K/yr
  • prop pistol15K/yr
  • prop guns for cosplay11K/yr
  • cosplay guns7K/yr
  • black gun8K/yr
  • fake gun prop8K/yr
  • costume gun17K/yr
All search terms

Top costume gun products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$5856%$1K9%$2K12%$2K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about costume gun

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall16%

“The build quality is solid for the price”

Value For Money13%

“Great value”

Fun/Entertainment Experience10%

“Fun times”

Size-Overall6%

“this fits well in my hand”

Ease Of Use6%

“easy to open”

Advertised Vs Actual Product6%

“As advertised”

Design-Overall3%

“The design is really nice”

Efficiency3%

“it does the job perfectly”

Durability3%

“it is durable”

Weight Light3%

“The guns are very lightweight”

What buyers complain about

Quality-Overall16%

“Low quality made”

Durability16%

“Broke after a few uses”

Functionality-Overall9%

“Never worked”

Leak-Proof6%

“Leaking”

Value For Money5%

“not worth the price”

Size-Overall5%

“Really small”

Ease Of Use4%

“Hard to use”

Strength3%

“Weak”

Shooting2%

“The trigger will not shoot”

Material Quality2%

“It is made of plastic”

Top return reasons

Functionality-Overall23%
Size-Overall13%
Advertised Vs Actual Product10%
Defective Material/Parts9%
Quality-Overall5%
Value For Money4%
Leak-Proof4%
Ease Of Use4%
Durability3%
Shooting3%

Common questions

Is costume gun profitable to sell on Amazon United States?
The niche generates $20K/yr across 54 tracked products. 1 of 11 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Skip it (46/100).
How competitive is the costume gun niche?
30 brands and 114 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in costume gun?
Top complaints mined from reviews: Quality-Overall, Durability, Functionality-Overall. The return rate is 4.3%.
When does demand for costume gun peak?
Demand peaks in Sep–Oct; the busiest month runs 9.6× the quietest.
What does it cost to enter the costume gun niche?
Listings span $6.59–$166.64; the average listing price is $30.81 (sweet spot $15–$100). The average incumbent carries 1,383 reviews — the moat a new listing must climb.