Upper Receivers & Conversion Kits

Advantage Arms Conversion Kit, 22 LR, 4" Threaded Barrel, Fits Glock 26/27 Gen1-5, Optic Ready, 15 Rounds, 2 Magazines, Includes Range Bag AAC26-27G1-5MOD

Sig Sauer Caliber X-Change Kit, 9MM, P320-M17, Coyote Finish, (1)-17 Round & (2)-21 Round Magazines, 4.7" Configuration 8900267

Advantage Arms Conversion Kit, 22LR, 4" Barrel, Fits Glock 26/27 Gen1-5, Optic Ready, Black Finish, 10 Rounds, 2 Magazines, CA Compliant, Includes Range Bag AAC26-27G1-5MOD-CA

Sig Sauer Caliber X-Change Kit, 9MM, P320-M17, Coyote Finish, (1)-17 Round & (2)-21 Round Magazines, 3.9" Configuration 8900268

Advantage Arms Conversion Kit, Dag-C-MOD-CA, 22 LR, 4.02" Barrel, Fits PSA Dagger, Matte Finish, Black, Fixed Sights, 10 Rounds, 2 Magazines, Includes Range Bag AACDAG-C-MOD-CA

Sig Sauer P320-X5, 9MM, Gray, 2 Magazines, Fiber Optic, 17 Rd Magazines, 5" Barrel 8900269

Advantage Arms Conversion Kit, 22LR, 4.02" Barrel, Fits Glock 19/23 Gen3, Black Finish, 10 Rounds, 1 Magazine, Includes Range Bag AAG19-23 G3

Sig Sauer P365 XMacro X-Change, Fits Sig P365, 3.1" Barrel with Integrated Compensator, X-Ray Night Sights, Optic Ready, 17 Rounds, 2 Magazines 8901443

Advantage Arms Conversion Kit, 22LR, 4.02" Barrel, Fits Glock Generation 4 19/23, Black Finish, Standard Sights, 10 Rounds, 1 Magazine, Includes Range Bag AAG19-23 G4

Advantage Arms Conversion Kit, 22LR, Fits Glock Generation 5 19/23, Black Finish, Standard Sights, 10 Rounds, 1 Magazine, Includes Range Bag AACG19-23G5

Advantage Arms Conversion Kit, 22LR, 3.46" Barrel, Fits Glock 26/27 Gen3, With Range Bag, Black Finish, 10 Rounds, 1 Magazine AACG26-27G3

Advantage Arms Conversion Kit, 22LR, 4.6" Barrel, Fits Glock 20/21/20SF/21SF, With Range Bag, Black Finish, 10 Rounds, 1 Magazine AACLE20-21

Aero Precision M5 Assembled Upper, For AR10, Anodized, Black APAR308503AC

Aero Precision M5 Assembled Upper, For AR10, Anodized, Flat Dark Earth APAR308505AC

Aero Precision M5, Assembled Upper Receiver, Anodized Finish, Kodiak Brown, Fits AR10 APAR308515AC

Aero Precision M5, Assembled Upper Receiver, Anodized Finish, Olive Drab Green, Fits AR10 APAR308631AC

Aero Precision Assembled Upper, Black, For AR15 APAR501603AC

Aero Precision Stripped Upper, Black, For AR15 APAR501603C

Aero Precision Assembled Upper, Flat Dark Earth, For AR15 APAR501801AC

Aero Precision Stripped Upper, Flat Dark Earth, For AR15 APAR501801C

Aero Precision AR15 Complete Upper, 223 Remington/5.56 NATO, 16" Barrel, Magpul MOE Handguard, A2 Front Sight Block, Mid Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR502505M65

Aero Precision AR15 Complete Upper, 223 Remington/5.56 NATO, 16" Barrel, Magpul MOE Handguard, A2 Front Sight Block, Mid Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR502506M65

Aero Precision AR15 Complete Upper, 223 Remington/5.56 NATO, 20" Barrel, 1:7 Twist, A2 Detachable Carry Handle and A2 Front Sight Block, Rifle Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR505611

Aero Precision M5 Complete Upper, 308 Winchester, 16" Barrel, 1:10 Twist, Rifle-Length Gas System, ATLAS S-ONE Handguard, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR538705M22