Kexuan 223/5.56/.308 Buffer Tube Receiver End Plate w/Sling Swivel Attachment Hole Black
$4.99 at OpticsPlanet
In stock
Best price
$4.99at OpticsPlanet
In stock Sale Lowest in 30 dayschecked Nov 12, 2026
Specifications
- Manufacturer
- KAK Industry
- Platform
- AR-15
- Material
- Steel
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $4.99Salechecked Nov 12, 2026 | In stock | Buy at OpticsPlanet | |
| KAK Industry | $5.00checked Nov 13, 2026 | Check store | Buy at KAK Industry |
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
Lowest in-stock price in the last 30 days: $4.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 6, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| KAK Industry | $5.00 | $5.00 | $5.00 |
| OpticsPlanet | $4.99 | $4.99 | $4.99 |
Since Oct 6, 2026.
About this part
The AR-15 Mil-Spec Castle Nut is an AR-15 buffer part from KAK Industry. It's sold by 2 stores (1 in stock), from $4.99 to $5.00. The lowest in-stock price in the last 30 days was $4.99 at OpticsPlanet.
From the manufacturer
AR15 MIL-SPEC CASTLE NUT Hardened Steel Staking Cuts Black Oxide Finish
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.
Similar buffer parts
Sniper AR-15 Receiver End Plate w/ 2 Sling Hook Adapters Ambidextrous Black
$4.99 at OpticsPlanet
In stock Sale
Sniper AR-15 Rifle Recoil Buffer Spring Steel Metal
$4.99 at OpticsPlanet
In stock Sale
XTS Castle Nut Black
$4.99 at GunMag Warehouse · 2 stores
In stock
JE Machine Tech AR-15 Mil-Spec Castle Nut Black TS-ABT8
$4.86 at OpticsPlanet · 3 stores
In stock Sale
Recoil Carbine Buffer Spring For AR-15 SS
$5.14 at Kentucky Gun Co · 7 stores
In stock