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B5 Systems AR-15 Sierra K Mini Buffer Kit by AR15 Discounts -

Price history at AR15 Discounts

Price at AR15 Discounts unchanged at $128.25 since Oct 9, 2026. Last checked Nov 8, 2026.

Product Description

The B5 Systems Sierra K Extension Kit is specifically designed for use with the Sierra K compact stock. This shortened receiver extension kit includes a receiver extension, buffer, spring, castle nut, and QD end plate.Specifications: Color: Black Type: Buffer Tube Kit

B5 Systems AR-15 Sierra K Mini Buffer Kit

at AR15 Discounts
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$128.25
In Stock at AR15 Discounts
Price checked 5 days ago
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Product Details

Brand AR15 Discounts
MPN SRK-1660
AR15 Discounts

Price history at AR15 Discounts

Price at AR15 Discounts unchanged at $128.25 since Oct 9, 2026. Last checked Nov 8, 2026.

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