This steel AR-15 castle nut is virtually indestructible and works with commercial, military, and hybrid buffer tubes. It fits most AR-15s and AR variants, but it is not compatible with 308 rifles.
“Magpul MAG291BLK PMAG GEN M3 20rd 308 Win/7.62x51mm NATO Fits AR-10/M110/SR25 Black Polymer” has been added to your cart. View cart
| Weight | 0.1 lbs |
|---|---|
| Dimensions | 4 × 3 in |
| Manufacturer | Advanced Technology |
| Caliber | 308 |
| Material | Steel |
| Platform | |
| Product Type | |
| Size | Mil-Spec |
| Finish | |
| Model |
Be the first to review “Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black” Cancel reply
You must be logged in to post a review.
Related products
-
748 left in stock
-
Out of stockFirearms Parts
Magpul MAG510-BLK XTM Enhanced Rail Panels Black
$13.05Out of stock. Join the waitlist to be notified when this product becomes available. -
486 left in stock
-
Out of stockFirearms Parts
Howa ATIK5R308 Detachable Mag Drop In Kit Black 5rd 308 Win/7mm-08 Rem/243 Win for Howa 1500
$64.77Out of stock. Join the waitlist to be notified when this product becomes available. -
2 left in stock






Reviews
There are no reviews yet.