Sale
"The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. All parts are made of mil-spec materials and finishes and proudly Made In The USA."
| UPC | 814927024793 |
| Brand | B5 |
| Manufacturer | B5 Systems |
| Manufacturer Part # | SRK-1660 |
| Model | Extension Kit |
| Type | Buffer Tube Complete Assembly |
| Subcategory | Stocks & Buffer Tubes |
| Color | Black |
