Receiver Extension (Buffer) Parts
Various sets and individual items that make up the receiver extension are all here on AT3. The buffer tube, spring, buffer, castle nut, and the locking ring are all available for the milspec or the commercial variants.
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$21.99
$17.99
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$24.97
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$29.49
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$59.99
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$44.99
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$21.85
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$30.49
3 reviews
$67.85
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$47.95
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$9.49
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$12.99
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$78.95
$64.99
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$12.85
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$62.45
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$34.85
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$67.49
1 review
$67.85
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$9.49
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$11.49