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AR10 Upper Receivers from the best brands including - Guntec, JP Enterprises, ArmaLite, and More! | Free Shipping Available! — 140 products / 678 models

Whether your needs are complete or stripped in assembly, finding the right AR10 Upper Receivers and AR10 Magazines can be daunting. With raw and anodized options, these high-quality AR10 Upper Receivers or 458 SOCOM Complete Upper Receivers are ideal for your next bore rifle build out. Precision machined to exacting components, these AR10 Upper Receivers coupled with an AR 10 Handguard offer a solid and dependable fit. Designed to be compatible with a wide variety of high-profile models, these AR10 Upper Receivers along with 308 Uppers protect your firearm against corrosion and recoil. Get a rock-solid frame that is built to last, and make sure to swing by our AR10 308 barrels page to shop from a variety of rifle barrels that are compatible with these uppers. Change the way you shoot large calibers out of automatics with AR10 Upper Receivers and 6.5 Grendel Uppers on your platform. Check out our Clearance page for great discounts on top-rated brands. Take Free shipping on orders over $49 with OpticsPlanet.image

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Image of Midwest Industries Upper Receiver Rod made-in-usa-flag 1 of 2 models Midwest Industries Upper Receiver Rod (156) List: $157.95 (Save $11.00) $146.95 Free 2 Day Shipping
Image of Superlative Arms Adjustable Bleed Off Gas Block 12 of 16 models Superlative Arms Adjustable Bleed Off Gas Block (208) List: $99.99 (Save 10%) $89.99 Best Rated
Image of Strike Industries AR Enhanced Bolt Catch 1 of 2 models Strike Industries AR Enhanced Bolt Catch (76) List: $15.95 (Save $1.00) $14.95 Best Rated
Image of LaRue Tactical Complete Match Grade 18in .308 Upper Receiver LaRue Tactical Complete Match Grade 18in .308 Upper Receiver (2) $1,999.99
Image of Superlative Arms Gas Block .750 in Solid Set Screw 5 models Superlative Arms Gas Block .750 in Solid Set Screw (42) As Low As (Save Up to 28%) $71.99 Best Rated
Image of LaRue Tactical Complete Match Grade 22in 6.5 Creedmoor Upper Receiver LaRue Tactical Complete Match Grade 22in 6.5 Creedmoor Upper Receiver $1,999.99
Image of Jacob Grey Firearms 6.5 CM Complete Upper Assembly Jacob Grey Firearms 6.5 CM Complete Upper Assembly (1) List: $1,298.00 (Save $103.85) $1,194.15
Image of IMG AR-10 .308 12 Gauge 19in Complete Upper Receiver w/Two 5 Round Magazine IMG AR-10 .308 12 Gauge 19in Complete Upper Receiver w/Two 5 Round Magazine (12) List: $599.99 (Save $30.00) $569.99 Best Rated
Image of Aero Precision M5 24in 6.5 CM w/ ATLAS S-ONE Handguard Complete Upper with Flash Hider made-in-usa-flag 2 models Aero Precision M5 24in 6.5 CM w/ ATLAS S-ONE Handguard Complete Upper with Flash Hider As Low As (Save 10%) $839.99
Image of Daniel Defense DD5 V3 URG 16 inch .308 Winchester Upper Receiver with Flash Hider Assembly Daniel Defense DD5 V3 URG 16 inch .308 Winchester Upper Receiver with Flash Hider Assembly List: $1,970.80 (Save $39.80) $1,931.00
Image of Aero Precision .308 Breach Charging Handle made-in-usa-flag 6 models Aero Precision .308 Breach Charging Handle (29) As Low As (Save Up to 12%) $88.99 12% Coupon
Image of ALG Defense ACT Advanced Combat Trigger for AR-15/AR-10 ALG Defense ACT Advanced Combat Trigger for AR-15/AR-10 (121) List: $118.32 (Save 30%) $82.95 Best Rated
Image of Shaw AR-10 6.5 Creedmoor Threaded Barrel 9 models Shaw AR-10 6.5 Creedmoor Threaded Barrel As Low As (Save Up to 36%) $226.20 Blazin' Deal
Image of JP Enterprises Complete JPBC Bolt Carrier Group (BCG) 5 models JP Enterprises Complete JPBC Bolt Carrier Group (BCG) (22) As Low As (Save Up to $25.25) $460.75 12% Coupon
Image of POF USA Revolution PD Complete Upper 12 models POF USA Revolution PD Complete Upper (1) As Low As (Save Up to 16%) $1,599.00 Final Sale
Image of Aero Precision M5E1 22in 6.5mm Creedmoor Complete Upper Receiver with Flash Hider made-in-usa-flag 4 models Aero Precision M5E1 22in 6.5mm Creedmoor Complete Upper Receiver with Flash Hider (7) As Low As (Save Up to 19%) $729.99 Best Rated
Image of Stag Arms 10 Marksman Right Hand 18in .308 Caliber Upper Receiver made-in-usa-flag 2 models Stag Arms 10 Marksman Right Hand 18in .308 Caliber Upper Receiver As Low As (Save Up to 13%) $699.99
Image of Strike Industries Extended Latch AR Charging Handle 2 of 6 models Strike Industries Extended Latch AR Charging Handle (246) As Low As (Save $2.00) $58.95 Best Rated
Image of ZEV Technologies AR .308 Picatinny Wedge Lock Handguard 3 models ZEV Technologies AR .308 Picatinny Wedge Lock Handguard (4) As Low As (Save Up to $6.70) $311.64 Free 2 Day Shipping
Image of VISM AR10 Upper Receiver Block VISM AR10 Upper Receiver Block (38) List: $51.99 (Save 25%) $38.99 Best Rated
Image of Aero Precision M5 22in 6.5mm Creedmoor Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard made-in-usa-flag 4 models Aero Precision M5 22in 6.5mm Creedmoor Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard As Low As (Save Up to 18%) $739.99
Image of Aero Precision M5E1 24in 6.5mm Creedmoor Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M5E1 24in 6.5mm Creedmoor Complete Upper Receiver with Flash Hider As Low As (Save 10%) $839.99
Image of Real Avid AR10 Lug-Lok Upper Vise Block Real Avid AR10 Lug-Lok Upper Vise Block (8) List: $154.35 (Save 13%) $134.99 Best Rated
Image of Stag Arms AR-10 Stag 10 Stripped Upper Receiver made-in-usa-flag 3 models Stag Arms AR-10 Stag 10 Stripped Upper Receiver As Low As (Save Up to 17%) $149.99
Image of Ballistic Advantage BA10 Upper Receiver made-in-usa-flag Ballistic Advantage BA10 Upper Receiver (3) List: $150.00 (Save $7.50) $142.50
Image of Moriarti AR-10/LR-10 Complete Billet Upper Receiver Moriarti AR-10/LR-10 Complete Billet Upper Receiver (3) List: $139.95 (Save 18%) $114.62 Blazin' Deal
Image of TRYBE Defense AR-10 Barrel, .308 Winchester 6 models TRYBE Defense AR-10 Barrel, .308 Winchester (2) As Low As (Save Up to 36%) $129.99 Free 2 Day Shipping
Image of Bear Creek Arsenal BC-10 .308 Winchester 22in Bolt Action Style Upper Receiver 2 models Bear Creek Arsenal BC-10 .308 Winchester 22in Bolt Action Style Upper Receiver As Low As (Save Up to 29%) $299.99
Image of Stag Arms AR-10 Long Range Right Hand Upper Receiver made-in-usa-flag 6 models Stag Arms AR-10 Long Range Right Hand Upper Receiver (1) As Low As (Save Up to 12%) $719.99
Image of TRYBE Defense AR A2 Flash Hider made-in-usa-flag 1 of 3 models TRYBE Defense AR A2 Flash Hider (14) List: $20.99 (Save $1.00) $19.99 Blazin' Deal
Image of Aero Precision M4E1-T 18in 6.5 Grendel Complete Upper with Flash Hider w/ ATLAS R-ONE Handguard made-in-usa-flag Aero Precision M4E1-T 18in 6.5 Grendel Complete Upper with Flash Hider w/ ATLAS R-ONE Handguard (1) List: $730.00 (Save 10%) $654.99
Image of Ghost Firearms Upper Receiver, Rifle Lower Parts Kit, 7.62x39, 16in, Carbine , Light HBAR Barrel, 1-10 Twist, 14in M-LOK Free Float Hand Guard, A2 Muzzle Device, Burnt Bronze 6 models Ghost Firearms Upper Receiver, Rifle Lower Parts Kit, 7.62x39, 16in, Carbine , Light HBAR Barrel, 1-10 Twist, 14in M-LOK Free Float Hand Guard, A2 Muzzle Device, Burnt Bronze (1) As Low As (Save Up to 15%) $549.99
Image of Stag Arms 10 Marksman Right Hand 22in 6.5mm Creedmoor Upper Receiver made-in-usa-flag 2 models Stag Arms 10 Marksman Right Hand 22in 6.5mm Creedmoor Upper Receiver As Low As (Save Up to 12%) $749.99
Image of Breek Arms Sledgehammer AR-10 Ambidextrous Charging Handle made-in-usa-flag 4 models Breek Arms Sledgehammer AR-10 Ambidextrous Charging Handle (7) List: $119.99 (Save 17%) $99.99 Best Rated
Image of NEMO Arms Recoil Reduction Bolt Carrier Group and Buffer Kit - Large Frame NEMO Arms Recoil Reduction Bolt Carrier Group and Buffer Kit - Large Frame (1) List: $699.00 (Save $35.00) $664.00
Image of Presma .308 Barrel Vise Block Rod w/ Torque Block for .936 5 models Presma .308 Barrel Vise Block Rod w/ Torque Block for .936 (36) As Low As (Save Up to 14%) $39.99 Best Rated
Image of Bear Creek Arsenal BC-10 .308 Winchester 20in Bolt Action Style Upper Receiver 4 models Bear Creek Arsenal BC-10 .308 Winchester 20in Bolt Action Style Upper Receiver As Low As (Save Up to 29%) $299.99
Image of Rock River Arms Two Stage Match AR-15/AR-10 Trigger Kit Rock River Arms Two Stage Match AR-15/AR-10 Trigger Kit (9) List: $95.00 (Save $1.60) $93.40 Blazin' Deal
Image of Samson SXS Lightweight 15 in 308 Handguard 4 models Samson SXS Lightweight 15 in 308 Handguard As Low As (Save Up to 21%) $179.49 Blazin' Deal
Image of Wheeler Engineering Delta AR Upper/Pic Rail Vise Block Wheeler Engineering Delta AR Upper/Pic Rail Vise Block (59) List: $54.99 (Save $2.00) $52.99 Best Rated
Image of Stag Arms 10 Tactical Left Hand 16in .308 Caliber Upper Receiver made-in-usa-flag 2 models Stag Arms 10 Tactical Left Hand 16in .308 Caliber Upper Receiver (1) As Low As (Save 14%) $599.99
Image of Real Avid Smart-Fit AR-15 Vise Block w/AR-10 Sleeve Real Avid Smart-Fit AR-15 Vise Block w/AR-10 Sleeve (9) List: $85.81 (Save 28%) $61.89 Best Rated
Image of Crosstac AR-15 Modular Maintenance Block Kit w/ AR10/AR15 Receiver Blocks Crosstac AR-15 Modular Maintenance Block Kit w/ AR10/AR15 Receiver Blocks (4) List: $199.99 (Save $16.00) $183.99 Free 2 Day Shipping
Image of V Seven Harbinger 308 Complete Upper 2 of 3 models V Seven Harbinger 308 Complete Upper (1) As Low As (Save Up to $75.24) $2,363.89
Image of Strike Industries AR308 Enhanced Ultimate Dust Cover 4 models Strike Industries AR308 Enhanced Ultimate Dust Cover (61) List: $16.95 (Save $1.00) $15.95
Image of Samson DPMS G2 SXT Series MLOK Handguard Samson DPMS G2 SXT Series MLOK Handguard (2) List: $193.14 (Save $9.66) $183.48
Image of Faxon Firearms Streamline G3 Aluminum M-LOK Handguard 3 models Faxon Firearms Streamline G3 Aluminum M-LOK Handguard (7) As Low As (Save Up to 22%) $128.99 Blazin' Deal
Image of TRYBE Defense AR-15/AR-10/LR-308 Fire Control Group TRYBE Defense AR-15/AR-10/LR-308 Fire Control Group (10) List: $38.99 (Save 23%) $29.99
Image of Bear Creek Arsenal BC-10 8.6 Blackout 16in Bolt Action Style Upper Receiver Bear Creek Arsenal BC-10 8.6 Blackout 16in Bolt Action Style Upper Receiver List: $399.99 (Save 23%) $309.99
Image of Presma DPMS .308 M-LOK Series Slim Free Float Handguards, Low Profile Presma DPMS .308 M-LOK Series Slim Free Float Handguards, Low Profile (5) List: $149.99 (Save $13.00) $136.99 Free 2 Day Shipping
Image of Guntec USA AR .308 Honeycomb Series Gen 2 Complete Furniture Set 10 models Guntec USA AR .308 Honeycomb Series Gen 2 Complete Furniture Set As Low As (Save Up to 35%) $213.99 On Sale
Image of Stag Arms AR-10 Long Range Left Hand Upper Receiver made-in-usa-flag 6 models Stag Arms AR-10 Long Range Left Hand Upper Receiver (1) As Low As (Save Up to 12%) $719.99
Image of Cross Armory Quick Takedown Pins 1 of 3 models Cross Armory Quick Takedown Pins (6) List: $135.99 (Save 17%) $112.87 Blazin' Deal
Image of Guntec USA .308 Caliber Ultra Lightweight Thin M-LOK System Free Floating Handguard w/Monolithic Top Rail 7 of 24 models Guntec USA .308 Caliber Ultra Lightweight Thin M-LOK System Free Floating Handguard w/Monolithic Top Rail (24) As Low As (Save Up to 31%) $102.49
Image of Grey Ghost Precision AR-10 M-LOK Handguard 7 models Grey Ghost Precision AR-10 M-LOK Handguard (5) As Low As (Save Up to 55%) $129.99 Blazin' Deal
Image of Lancer Systems LCH7 Octagon Carbon Fiber Handguards 10 models Lancer Systems LCH7 Octagon Carbon Fiber Handguards (9) As Low As (Save 15%) $222.89
Image of Superlative Arms Titanium Adjustable Bleed Off Gas Block 11 of 15 models Superlative Arms Titanium Adjustable Bleed Off Gas Block (6) List: $209.99 (Save 10%) $188.99 Best Rated
Image of ERGO AR AccuWedges ERGO AR AccuWedges (41) List: $18.00 (Save 45%) $9.99 Best Rated
Image of UTG Pro 13in Super Slim Free Float Rail for AR10 UTG Pro 13in Super Slim Free Float Rail for AR10 (3) List: $74.97 (Save $6.00) $68.97
Image of AIM Sports Inc AR-10 .308 M-Lok Handguard 4 models AIM Sports Inc AR-10 .308 M-Lok Handguard (42) As Low As (Save Up to 31%) $89.99 Best Rated
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