In StockSave 39%
Type
parts
Last Seen
May 20, 2026
Guntec USA AR15 Castle Nut Wide Extreme Duty Black
Sold byOptics Planet•Posted Apr 27, 2026
Compare prices for AR-STONER Enhanced AR-15 Carbine Buffer Tube Lock Ring Steel Matte$16.99
$27.99
You save $11.00 (39% off)
Price and stock data refresh continuously from Optics Planet.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 714569646868
- SKU: 2AH-CAN-ZCASTLEEXD-CASTLE-EXD
- Brand: Ar-Stoner
Price History
Deal Details
Guntec USA AR15 Castle Nut Wide Extreme Duty Black. The wide design of this AR15 Wide Castle Nut by Guntec USA makes the area around the buffer tube much less prone to snags and breakage greatly enhancing the strength and durability of the Nut. The Guntec AR15 Wide Castle Nut Car/M4 Buffer Tube is made with an enhanced design that provides the utmost strength and durability providing the customer with a quality product at an amazing value that will be long-lasting. For a great way to make sure y
Other Offers for This Product
Active offers from your catalog for AR-STONER Enhanced AR-15 Carbine Buffer Tube Lock Ring Steel Matte.
Comparing 4 retailers carrying this product
Lowest Price: $11.99
Highest Price: $19.99
You Save: $8.00
Avg Discount: 17% off
GUNTEC AR15 CASTLE NUT WIDE EXTREME DUTY
Guntec UsaBattleHawk ArmorySKU/UPC: 714569646868
$11.99$16.95Save 29%
View at BattleHawk Armory
Guntec USA AR15 Castle Nut Wide Steel Nitride AR Fits Mil-Spec
Guntec UsaShooting SurplusSKU/UPC: ZCASTLEEXD
$12.85
View at Shooting SurplusGuntec USA AR15 Castle Nut Wide Extreme Duty Black
Guntec UsaOptics PlanetSKU/UPC: 2AH-CAN-ZCASTLEEXD-CASTLE-EXD
$16.99$27.99Save 39%
View at Optics Planet
AR-STONER Enhanced AR-15 Carbine Buffer Tube Lock Ring Steel Matte
Ar-StonerMidwayUSASKU/UPC: 785212
$19.99
View at MidwayUSA