Price comparison
NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube
Prices for part 3681
NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube at 1 store
The only in-stock price we have for NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube (part 3681) is $12.95 at AR15Discounts.
Lowest in stock
AR15Discounts
| Shop | Listing | Price | ||
|---|---|---|---|---|
| Lowest | AR15Discounts | NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube | $12.95 | See price |
Price history
Lowest price in 90 days: $12.95
The chart stays hidden until at least three prices have been recorded.
| When | Price | Stock |
|---|---|---|
| 2026-10-20 00:26 | $12.95 | In stock |
| 2026-10-19 05:26 | $12.95 | In stock |
Prices are the in-stock numbers we last read at each shop. A transfer fee, shipping, and a mail-in rebate are not included unless the shop printed a shipping cost.
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Questions people ask
What is the lowest price for NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube?
$12.95 at AR15Discounts is the only in-stock price we have for NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube (part 3681).
Is NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube in stock?
Yes. 1 shop list it in stock.
What part number is NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube?
The part number on these listings is 3681.