Brn-10/15 Buffer Retainer Spring, 5.56mm

Name: Brn-10/15 Buffer Retainer Spring, 5.56mm
Brand: Brownells
Availability: InStock

Brownells · Buffer Tubes & Springs

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Brn-10/15 Buffer Retainer Spring, 5.56mm

Best price

$2.39at Brownells

In stock Sale Lowest in 30 dayschecked Nov 13, 2026

Buy at Brownells

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Specifications

Manufacturer: Brownells
Type: Spring
Platform: AR-15

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells Best price 17.76% off · ends Nov 15 · exclusions apply	$2.39Salechecked Nov 13, 2026	In stock	Buy at Brownells
GrabAGun	$3.79checked Nov 12, 2026	Check store	Buy at GrabAGun

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $2.39 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Brownells	$2.39	$2.39	$2.39
GrabAGun	$3.79	$3.79	$3.79

Since Sep 27, 2026.

About this part

The Brn-10/15 Buffer Retainer Spring, 5.56mm is an AR-15 buffer part from Brownells. It's sold by 2 stores (1 in stock), from $2.39 to $3.79. The lowest in-stock price in the last 30 days was $2.39 at Brownells.