AR .308 .750 Jam Nut 5/8-24" Steel Black

Name: AR .308 .750 Jam Nut 5/8-24" Steel Black
Brand: JP Enterprises
Availability: InStock

JP Enterprises · Upper Parts

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Best price

$12.30at Brownells

In stock checked Oct 2, 2026

Buy at Brownells

Compare 5 stores

Where to buy

Store	Price	Availability	Buy
Brownells Best price	$12.30checked Oct 2, 2026	In stock	Buy at Brownells
OpticsPlanet	$12.99Salechecked Oct 2, 2026	In stock	Buy at OpticsPlanet
Ammunition Depot	$18.49checked Oct 2, 2026	In stock	Buy at Ammunition Depot
Battlehawk Armory	$12.30checked Oct 2, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$14.99Salechecked Oct 2, 2026	Check store	Buy at Palmetto State Armory

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: $12.30 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$18.49	$18.49	$18.49
Battlehawk Armory	$12.30	$12.30	$12.30
Brownells	$12.30	$12.30	$12.30
OpticsPlanet	$12.99	$12.99	$12.99
Palmetto State Armory	$14.99	$14.99	$14.99

Since Sep 27, 2026.

About this part

The AR .308 .750 Jam Nut 5/8-24" Steel Black is an AR-10 upper part from JP Enterprises. It's sold by 5 stores (3 in stock), from $12.30 to $18.49. The lowest in-stock price in the last 30 days was $12.30 at Brownells.

Fits and works with

Caliber: .308 / 7.62x51 · Shop matching ammo
Bolt: AR-10 (.308 / 6.5 CM) · Bolt carrier groups

Specifications

Manufacturer: JP Enterprises
Color: Black
Platform: AR-10

From the manufacturer

High quality hex jam nuts for indexing muzzle devices. Available in black or stainless steel for 5/8-24 threads. Mfg: J P Enterprises SPECS: .200 thick. Requires use of thin wrench to tighten against brakes and comps.