Pistol Caliber
Various AR15 configurations chambered in popular pistol calibers.
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K45UR: 45 ACP Upper Receiver, 16"
Complete upper receiver assembly manufactured for 45 ACP and includes one 18 round polymer maga...
K45-UR$721.50 As low as: $701.50 -
K40 - Pistol Cal 40 S&W
Pistol cal 40 S&W in an AR-15 platform with a 16in. barrel. Olympic Arms pistol cal models use ...
K40 -
K40UR-FT: 16" 40 S&W Flat-top Upper Receiver
Complete upper receiver assembly chambered in the wildly popular and affordable 40 S&W cartridg...
K40UR-FT$721.50
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K24P-10-OR: 10mm Optics Ready 11.5" Barreled AR-15 Pistol
9mm Optics Ready AR-15 pistol model featuring a 11.5" barrel, no buttstock and a padded receive...
K24P-10-or -
K24P-10: 10mm 11.5" Barreled AR-15 Pistol
11.5" barreled 10mm AR15 pistol.
K24(-10
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K24P-40-OR: 40 S&W Optics Ready 11.5" Barreled AR-15 Pistol
9mm Optics Ready AR-15 pistol model featuring a 11.5" barrel, no buttstock and a padded receive...
K24P-40-OR -
K24P-40: 40 S&W 11.5" Barreled AR-15 Pistol
11.5" barreled 40 S&W AR15 pistol.
K24P-40 -
K10UR-FT: 16" 9mm Flat-top Upper Receiver
Complete upper receiver assembly chambered in the wildly popular and affordable 10mm pistol car...
K10ur-FT$721.50