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SLR Rifleworks Magazine Extension Glock 19 - with Spacer BlockSLR Rifleworks Magazine Extension Glock 19 - with Spacer Block
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SLR Rifleworks Magazine Extension Glock 19 - with Spacer Block

$61
SLR Rifleworks Magwell Glock 19 Gen 4SLR Rifleworks Magwell Glock 19 Gen 4
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SLR Rifleworks Magwell Glock 19 Gen 4

$123
SLR Rifleworks Magwell Glock 20/40 Gen 4SLR Rifleworks Magwell Glock 20/40 Gen 4
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SLR Rifleworks Magwell Glock 20/40 Gen 4

$123
SLR Rifleworks Magwell Glock 17/22/34 Gen 4SLR Rifleworks Magwell Glock 17/22/34 Gen 4
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SLR Rifleworks Magwell Glock 17/22/34 Gen 4

$123
SLR Rifleworks Magazine Extension Glock 17 - California LegalSLR Rifleworks Magazine Extension Glock 17 - California Legal
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SLR Rifleworks Magazine Extension Glock 17 - California Legal

$61
SLR Rifleworks Magazine Extension Glock 19 - California LegalSLR Rifleworks Magazine Extension Glock 19 - California Legal
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SLR Rifleworks Magazine Extension Glock 19 - California Legal

$61
SLR Rifleworks Magazine Extension Glock 17 - with Spacer BlockSLR Rifleworks Magazine Extension Glock 17 - with Spacer Block
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SLR Rifleworks Magazine Extension Glock 17 - with Spacer Block

$61
SLR Rifleworks Back Plate Glock Gen 5SLR Rifleworks Back Plate Glock Gen 5
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SLR Rifleworks Back Plate Glock Gen 5

$29
SLR Rifleworks Magwell Polymer 80 PF40v2SLR Rifleworks Magwell Polymer 80 PF40v2
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SLR Rifleworks Magwell Polymer 80 PF40v2

$123
SLR Rifleworks Magazine Extension Glock 21 - with Spacer BlockSLR Rifleworks Magazine Extension Glock 21 - with Spacer Block
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SLR Rifleworks Magazine Extension Glock 21 - with Spacer Block

$61
SLR Rifleworks Magwell Glock 17 Gen 5 (with Half Moon Cut)SLR Rifleworks Magwell Glock 17 Gen 5 (with Half Moon Cut)
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SLR Rifleworks Magwell Glock 17 Gen 5 (with Half Moon Cut)

$123
SLR Rifleworks Slide Glock G17 Gen 4SLR Rifleworks Slide Glock G17 Gen 4
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SLR Rifleworks Slide Glock G17 Gen 4

$703
SLR Rifleworks Magwell Flat Screw - GlockSLR Rifleworks Magwell Flat Screw - Glock

SLR Rifleworks Magwell Flat Screw - Glock

$9
SLR Rifleworks Magwell Glock 17/22/34 Gen 3SLR Rifleworks Magwell Glock 17/22/34 Gen 3
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SLR Rifleworks Magwell Glock 17/22/34 Gen 3

$123
SLR Rifleworks Magazine Extension Glock 26 - with Spacer BlockSLR Rifleworks Magazine Extension Glock 26 - with Spacer Block
Sold out

SLR Rifleworks Magazine Extension Glock 26 - with Spacer Block

$61
SLR Rifleworks Magwell - SHORT Glock Gen 5/45 9mm , 5/17 ( NO HALF MOON CUT )SLR Rifleworks Magwell - SHORT Glock Gen 5/45 9mm , 5/17 ( NO HALF MOON CUT )
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SLR Rifleworks Magwell - SHORT Glock Gen 5/45 9mm , 5/17 ( NO HALF MOON CUT )

$123
SLR Rifleworks Slide Glock G19 Gen 4SLR Rifleworks Slide Glock G19 Gen 4
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SLR Rifleworks Slide Glock G19 Gen 4

$703

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About the shop

A 'Made in Canada' company, Black Box Customs has been providing premium firearms performance services to Canadians since 2014, eliminating the frustrations of cross-border shopping. Driven by a passion for competitive shooting and servicing the LE/MIL community, every day we push ourselves to create innovative new products and services.

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