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Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. .40 S&W Glock Style Bolt Assembly Advanced blowback design Manufactured to function reliably with Glock .40 S&W, .357 Sig, and 10mm magazines   Drop-in Installation 8620 Steel Bolt QPQ Nitride treated for maximum durability and wear resistance. Heavy Duty Extractor Removable mass 15 oz assembled weight.DISCLAIMER:This product is not manufactured, authorized, endorsed, orwarranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.



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Quarter Circle 10 .40 S&W/10MM Auto Complete Bolt Assembly

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Quarter Circle 10 .40 S&W/10MM Auto Complete Bolt Assembly
  • MSRP$250.00

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