The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. It consists of a reduced-length, mil-spec diameter, 7075 aluminum, 5-position receiver extension, a short heavy buffer (3.5 oz), extra power spring, castle nut, and quick disconnect end plate.
B5 SRK-1660 SRK EXTENTION KIT BLK
SKU: SA1366951
UPC: 814927024793
B5 SRK-1660 SRK EXTENTION KIT BLK
$128.25
Availability: 21 in stock
| Weight | 0.775 lbs |
|---|---|
| Dimensions | 10.6 × 6.9 × 1.7 in |
| Manufacturer | B5 Systems |
You must be logged in to post a review.
Related products
-
Out of stockFirearms Parts
Magpul MAG556BLK PMAG GEN M3 30rd Detachable w/Capacity Window 223 Rem/5.56x45mm NATO Fits AR-15/M16/M4 Black Polymer
$17.05Out of stock. Join the waitlist to be notified when this product becomes available. -
10 left in stock
-
14 left in stock
-
1492 left in stock
-
8 left in stock
Reviews
There are no reviews yet.