The Accu-Shot BT0857-LB Replacement Bolt, part number BT0857-LB from B&T Industries, is the long M6 × 80 × 100 bolt for the BT08-QK and BT57-QK Accuracy International monopods. It is the bolt required when additional length-of-pull spacers are fitted to the rifle.
How It Compares
The extra length is the whole point: at standard length of pull, the shorter Accu-Shot BT0857-B replacement bolt in M6 × 80 × 80 is the correct part. The monopods these bolts belong to are the Accu-Shot BT08-QK ASAI monopod for AE, AW and AICS pattern stocks and the Accu-Shot BT57-QK ASAIAT monopod for the AI AT. Both are in our Accu-Shot monopod range.
Ideal For
- Accuracy International rifles with length-of-pull spacers fitted
- Taller shooters who have lengthened the stock
- Replacing a bolt lost during a stock strip or rebuild
- BT08-QK and BT57-QK monopod owners adding spacers
Key Features
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Type: Replacement bolt, long
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Size: M6 × 80 × 100
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Fits: BT08-QK and BT57-QK Accuracy International monopods with length-of-pull spacers
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Standard version: BT0857-B in M6 × 80 × 80, for a rifle without extra spacers
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Origin: Genuine B&T Industries, LLC — Made in USA
Technical Specifications
| Type |
Replacement bolt, long |
| Size |
M6 × 80 × 100 |
| Fits |
BT08-QK and BT57-QK monopods (with length-of-pull spacers) |
| Standard Alternative |
BT0857-B (M6 × 80 × 80) |
| Brand |
B&T Industries, LLC — Made in USA |
| SKU / MPN / UPC |
BT0857-LB / BT0857-LB / — |
What's Included
- 1× M6 × 80 × 100 replacement bolt
UK Delivery & Support
This Accu-Shot part is imported from the USA, duty paid by us, and dispatched tracked from the UK — nothing to pay on delivery — and is backed by UK-based aftersales support.
Frequently Asked Questions
Which monopods does the Accu-Shot BT0857-LB bolt fit?
The BT0857-LB fits the BT08-QK and BT57-QK Accuracy International monopods.
What size is the Accu-Shot BT0857-LB bolt?
The BT0857-LB is an M6 × 80 × 100 bolt, which is the long version in this pair of part numbers.
When do I need the BT0857-LB rather than the BT0857-B?
The longer BT0857-LB is required when additional length-of-pull spacers are fitted; without spacers, the standard BT0857-B in M6 × 80 × 80 is the correct bolt.
What is in the box?
The box contains one M6 × 80 × 100 replacement bolt.
