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Product information
Overview
B5 SRK EXTENSION KIT BLK
Description
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.
Specifications
| Manufacturer | B5 Systems |
|---|---|
| Model | Sierra K |
| SKU | B5SRK-1660 |
| UPC | 814927024793 |
| Manufacturer Part Number | SRK-1660 |
| Color | Black |
| Product Type | Buffer Tube Complete Assembly |
| Style | Mil-Spec |
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Questions & answers
How will this item ship?
Eligible non-firearm items may ship to an address that meets shipping rules, or you can choose local pickup at STX Bullseye when available. Restrictions can apply by product and destination.
Does this require an FFL transfer?
This listing does not require an FFL transfer. Firearm receivers and other regulated items are labeled separately when FFL transfer is required.
What if I have compatibility questions?
Contact STX Bullseye before purchase if you need help confirming fitment, caliber, or mount compatibility. Staff can review the listing details with you.
How do I contact STX Bullseye?
Call (956) 314-0879 or visit the Contact page. Store hours and location details are listed on Contact and About.
Answers are general store information and are not personalized legal advice.
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