Aluminum Rear Cover Slide Back Plate for Glock Gen 1 2 3 4 9mm 10mm. 357. 40. 45. Compatible with Glock 17 19 21 22 23 24 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 Models Gen 1-4. Hard coat anodized black T6 machined aluminum Lasered artwork won't rub off;.
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