Grey Ghost Precision Complete Upper .300 Blackout 25.75in 16 inch 1-10 5/8x24 Heavy Pistol M-LOK Anodized Finish Black GGP-300-16-UC

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver .300 Blackout 7.5in Barrel M4 Pistol Profile 1-8 Twist 5/8x24 Thread M-Lok FirestormType

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver .300 Blackout 7.5in Barrel M4 Pistol Profile 1-8 Twist 5/8x24 Thread M-Lok FirestormType. 5in .300 Blackout Complete Upper Receiver. These AR15 Upper Receivers through the expert product... ... more

Grey Ghost Precision Complete Upper 6.5mm Creedmoor 32.5in 22in Contour 1-10 5/8x24 M-LOK Black GGP-65CM-22-UC

Grey Ghost Precision Complete Upper 6.5mm Creedmoor 32.5in 22in Contour 1-10 5/8x24 M-LOK Black GGP-65CM-22-UC. 5 Creedmoor Upper is one of our most popular uppers. The weather resistant and light weight 6.5 Creedmoor caliber really shines in the CQB... ... more

Wilson Combat Complete Upper Receiver Protector 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black

Wilson Combat Complete Upper Receiver Protector 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Free Float Hand Guard

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Free Float Hand Guard. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Moriarti Complete Upper Receiver AR-15 .300 AAC Blackout 16 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard Triport

Moriarti Complete Upper Receiver AR-15 .300 AAC Blackout 16 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard Triport. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK... ... more

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit .300 Blkout 7.5in Pistol Light HBAR Barrel 1-8 Twist 7in M-LOK Freefloat Handguard A2

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit .300 Blkout 7.5in Pistol Light HBAR Barrel 1-8 Twist 7in M-LOK Freefloat Handguard A2. 300 Blackout Complete Upper Receiver w/Pistol Lower Parts Kit is full of them. Ghost Firearms expertly... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol 4150 Moly Steel Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol 4150 Moly Steel Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol 4150 Moly Steel Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol 4150 Moly Steel Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver XTSCU8300SL

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver XTSCU8300SL. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish OD Green XTSCU8300OD

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish OD Green XTSCU8300OD. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

Ghost Firearms Vital Complete Upper Receiver .300 Blackout 10.5in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9in M-LOK Free Float Hand Guard A2

Ghost Firearms Vital Complete Upper Receiver .300 Blackout 10.5in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver. The ideal addition to your firearm these AR15 Lower Parts by Ghost... ... more

Ghost Firearms Vital Complete Upper Receiver .300 Blackout 7.5in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 7in M-LOK Free Float Hand Guard A2

Ghost Firearms Vital Complete Upper Receiver .300 Blackout 7.5in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 7in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver. The ideal addition to your firearm these AR15 Lower Parts by Ghost Firearms... ... more

Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 5/8x24 Thread M-LOK Deadair Flash Hider

Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 5/8x24 Thread M-LOK Deadair Flash Hider. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length S-One M-LOK Handguard FDE APAR712112M4

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length S-One M-LOK Handguard FDE APAR712112M4. 300 AAC Blackout Complete Upper Receiver was made to be the best item for anyone trying to find a high quality choice.. Developed... ... more