Filters

Colors

Types

Manufacturers

See more...

Platforms

Length

Gas System Length

Upper Receiver


Product Price Rating Type Color Manufacturer Platform Image
Psa 8.5" Pistol-Length 5.56 Nato 1:7 Nitride 6.5" M-Lok Upper With Bcg, Ch, & Mbus Sight Set - 516446691 349.99 None None PSA 8.5" Pistol-Length 5.56 NATO 1:7 Nitride 6.5" M-Lok Upper With BCG, CH, & MBUS Sight Set - 516446691
Bootleg Enhanced Lightweight Ar-15 Complete Upper Receiver 174.95 None Bootleg AR-15 Bootleg Enhanced Lightweight AR-15 Complete Upper Receiver
Psa 18" Rifle Length 223 Wylde 1/7 Nitride 15" Keymod Lightweight Upper With Bcg & Ch - 516444560 329.99 None None PSA 18" Rifle Length 223 Wylde 1/7 Nitride 15" Keymod Lightweight Upper With BCG & CH - 516444560
Psa 14.7" Chf Midlength 5.56 Nato 1/7 13.2" Sqr Keymod Upper - No Bcg Or Charging Handle 379.99 None None PSA 14.7" CHF Midlength 5.56 NATO 1/7 13.2" SQR Keymod Upper - No BCG or Charging Handle
Psa 16" Midlength 5.56 Nato 1:7 Stainless Steel Moe Freedom Upper With Bcg & Ch - 7788908 289.99 None None PSA 16" Midlength 5.56 NATO 1:7 Stainless Steel MOE Freedom Upper with BCG & CH - 7788908
Psa 10.5" .223 Wylde 1/7 Stainless Steel 9" M-Lok Freedom Upper - With Bcg & Ch - 5165447823 319.99 None None PSA 10.5" .223 Wylde 1/7 Stainless Steel 9" M-Lok Freedom Upper - With BCG & CH - 5165447823
Psa 24" A2 Rifle Length 15" Lightweight M-Lok Freedom Upper - W Bcg & Charging Handle - 516444699 399.99 None None PSA 24" A2 Rifle Length 15" Lightweight M-Lok Freedom Upper - w BCG & Charging Handle - 516444699
F-1 Firearms Bdr-10-3g Matched Billet Upper/Lower Receiver Sets 585.00 None F1 Firearms None F-1 Firearms BDR-10-3G Matched Billet Upper/Lower Receiver Sets
Psa 18" Rifle Length 223 Wylde 1/7 Nitride 15" M-Lok Upper With Mbus Sight Set, Bcg, & Ch - 5165447961 369.99 None None PSA 18" Rifle Length 223 Wylde 1/7 Nitride 15" M-lok Upper with MBUS sight set, BCG, & CH - 5165447961
Brn-16a1 M16a1 Upper Receiver Gray 149.99 None Brownells AR-15 Brn-16A1 M16A1 Upper Receiver Gray
Psa 20'' Chf Rifle Length 5.56 Nato 1:7 A2 Upper With Bcg & Charging Handle - 516446156 399.99 None None PSA 20'' CHF Rifle Length 5.56 NATO 1:7 A2 Upper With BCG & Charging Handle - 516446156
Adams Arms P2 Adjustable Complete Upper 5.56 - 14.5" Pinned 998.99 None Adams Arms None Adams Arms P2 Adjustable Complete Upper 5.56 - 14.5" Pinned
Psa 18" Rifle Length 223 Wylde 1/7 Stainless Steel 15" Lightweight Keymod Upper With Bcg, Ch, & Mbus Sight Set - 516446454 299.99 None None PSA 18" Rifle Length 223 Wylde 1/7 Stainless Steel 15" Lightweight Keymod Upper with BCG, CH, & MBUS Sight Set - 516446454
Psa 7.5" Pistol-Length 300aac Blackout 1/8 Phosphate 7" M-Lok Upper With Bcg & Ch - 5165447965 259.99 None None PSA 7.5" Pistol-length 300AAC Blackout 1/8 Phosphate 7" M-Lok Upper With BCG & CH - 5165447965
Noveske Ar-15 13.7" Gen 3 Infidel Complete Upper, Nsr-15, Kx5, Oal 16" - .223/5.56mm 1425.00 None Noveske AR-15 Noveske AR-15 13.7" Gen 3 Infidel Complete Upper, NSR-15, KX5, OAL 16" - .223/5.56mm
10.5" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch 335.13 Black Radical Firearms AR-15 10.5" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch
Psa 8.5" 5.56 Nato 1/7 Nitride 7" Slim M-Lok Upper - With Bcg & Ch - 5165447546 239.99 None None PSA 8.5" 5.56 NATO 1/7 Nitride 7" Slim M-Lok Upper - With BCG & CH - 5165447546
Rainier Arms Forged Mil-Spec Upper Receiver 125.00 None Rainier Arms, Llc None Rainier Arms Forged Mil-Spec Upper Receiver
Ar-15 Stripped Xl Upper Receiver Black 67.99 Stripped Black Aero Precision AR-15 Ar-15 Stripped Xl Upper Receiver Black
4.5 Complete Upper Receiver 9mm Black 782.99 Complete Black Angstadt Arms, Llc AR-15 4.5 Complete Upper Receiver 9Mm Black
Ar-15 10.3 Super Duty Stripped Upper Receiver Black 699.00 Stripped Black Geissele Automatics Llc AR-15 Ar-15 10.3 Super Duty Stripped Upper Receiver Black
Ar-15 P2 Series 7.5" Upper Receiver Blk 5.56 Pistol Length 899.99 Black Adams Arms AR-15 Ar-15 P2 Series 7.5" Upper Receiver Blk 5.56 Pistol Length
Bcm Ar-15 Bfh 16" Mid Length Upper Receiver Group 515.00 None Bravo Company Mfg AR-15 BCM AR-15 BFH 16" Mid Length Upper Receiver Group
Psa 8.5" Pistol Length 5.56 Nato 1:7 Nitride 6.5" M-Lok Upper W/O Bcg Or Ch - 516446307 239.99 None None PSA 8.5" Pistol Length 5.56 NATO 1:7 Nitride 6.5" M-Lok Upper w/o BCG or CH - 516446307
Ar-15 M4e1-T 11.5 In Atlas S-One Complete Upper 5.56mm Blac 439.99 Complete None Aero Precision AR-15 Ar-15 M4E1-T 11.5 In Atlas S-One Complete Upper 5.56Mm Blac
Ar-15 Upper 5.56 M4 7.5" Barrel Pistol Gas 7" Fgs Handguard 242.99 None Radical Firearms AR-15 Ar-15 Upper 5.56 M4 7.5" Barrel Pistol Gas 7" Fgs Handguard
Cqb Upper Receiver 16" Picatinny 5.56 1258.99 None Lewis Machine & Tool AR-15 Cqb Upper Receiver 16" Picatinny 5.56
Noveske Ar-15 Gen 3 5.56mm Nsr-15 M-Lok Upper - 18" Spr 1434.50 None Noveske AR-15 Noveske AR-15 Gen 3 5.56MM NSR-15 M-LOK Upper - 18" SPR
Psa 16" Stainless Steel 5.56 Nato 1/7 Midlength 13.5" Lightweight Keymod Upper - With Bcg & Ch - 516445152 None None PSA 16" Stainless Steel 5.56 NATO 1/7 Midlength 13.5" Lightweight Keymod Upper - With BCG & CH - 516445152
Psa 18" Rifle Length .223 Wylde 1/7 Stainless Steel 15" Lightweight M-Lok Upper With Bcg, Ch, & Mbus Sight Set - 516446673 369.99 None None PSA 18" Rifle Length .223 Wylde 1/7 Stainless Steel 15" Lightweight M-lok Upper With BCG, CH, & MBUS Sight Set - 516446673
Bcm Ar-15 Upper Receiver Std 12.5 Carbine Kmr Alpha 10 588.95 None Bravo Company Mfg AR-15 BCM AR-15 Upper Receiver STD 12.5 Carbine KMR ALPHA 10
Psa 18" Rifle Length 223 Wylde 1/7 Nitride 15" M-Lok Upper Without Bcg Or Ch - 516446793 279.99 None None PSA 18" Rifle Length 223 Wylde 1/7 Nitride 15" M-lok Upper without BCG or CH - 516446793
Ddm4v7 16" 5.56mm Nato Upper Receiver Black 987.99 None Daniel Defense AR-15 Ddm4V7 16" 5.56Mm Nato Upper Receiver Black
Psa 7.5" Phosphate 5.56 1/7 7" M-Lok Upper - With Bcg & Charging Handle - 5165447905 249.99 None None PSA 7.5" Phosphate 5.56 1/7 7" M-Lok Upper - With BCG & Charging Handle - 5165447905
Psa 18" Rifle Length 223 Wylde 1/7 Stainless Steel 15" Lightweight M-Lok Upper With Bcg & Ch - 516445214 None None PSA 18" Rifle Length 223 Wylde 1/7 Stainless Steel 15" Lightweight M-lok Upper with BCG & CH - 516445214
Ddm4v7 S 11.5" 5.56mm Nato 1-7 10" Mfr Xs Rail Upper 1119.99 None Daniel Defense AR-15 Ddm4V7 S 11.5" 5.56Mm Nato 1-7 10" Mfr Xs Rail Upper
Psa 16" Classic Freedom M4 Fde Upper - With Bcg And Charging Handle - 7779344 269.99 None None PSA 16" Classic Freedom M4 FDE Upper - with BCG and Charging Handle - 7779344
Psa 20" Rifle Length 5.56 Nato 1:7 Nitride Freedom Upper - No Bcg Or Charging Handle - 516445940 219.99 None None PSA 20" Rifle Length 5.56 NATO 1:7 Nitride Freedom Upper - No BCG Or Charging Handle - 516445940
Psa 16" Carbine Length 5.56 Nato 1:7 M4 Nitride Freedom Upper -No Bcg Or Ch - 507819 159.99 None None PSA 16" Carbine Length 5.56 NATO 1:7 M4 Nitride Freedom Upper -No BCG or CH - 507819
Fn15/Ar 20" Rifle Upper Receiver Assembly 699.99 None Fn AR-15 Fn15/Ar 20" Rifle Upper Receiver Assembly
8.5" Upper Assy 300blk Hbar Std Keymod Rail No Bcg Or Ch 332.13 Black Radical Firearms AR-15 8.5" Upper Assy 300Blk Hbar Std Keymod Rail No Bcg Or Ch
Ar-15 Resolute 100 16" Complete Upper Receiver 9mm Black 797.99 Complete Black Cmmg AR-15 Ar-15 Resolute 100 16" Complete Upper Receiver 9Mm Black
Hera Arms Hus Ar-15 Billet Upper 139.00 None Hera Arms AR-15 Hera Arms HUS AR-15 Billet Upper
F-1 Firearms Udr-15 3g Style 2 Universal Billet Upper Receiver Ar-15 247.50 None F1 Firearms AR-15 F-1 Firearms UDR-15 3G Style 2 Universal Billet Upper Receiver AR-15
Psa 10.5" 5.56 Nato 1:7 Nitride 9" Lightweight M-Lok Freedom Upper With Bcg & Ch - 516446396 259.99 None None PSA 10.5" 5.56 NATO 1:7 Nitride 9" Lightweight M-Lok Freedom Upper With BCG & CH - 516446396
Blem Psa 18" Rifle Length 223 Wylde 1/7 Nitride 15" Lightweight M-Lok Upper With Bcg & Ch - 516445155b 329.99 None None BLEM PSA 18" Rifle Length 223 Wylde 1/7 Nitride 15" Lightweight M-lok Upper with BCG & CH - 516445155B
Psa 16" Mid-Length Freedom Stainless Steel 1/7 Dissipator - Without Bcg Or Ch - 43633 219.99 None None PSA 16" Mid-length Freedom Stainless Steel 1/7 Dissipator - Without BCG or CH - 43633
Psa 7.5" Phosphate 300aac Blackout 1/8 6" Lightweight M-Lok Upper - With Bcg And Ch - 5165447573 299.99 None None PSA 7.5" Phosphate 300AAC Blackout 1/8 6" Lightweight M-Lok Upper - With BCG and CH - 5165447573
Psa 16" 5.56 Nato 1:7 Midlength Nitride 13.5" Lightweight M-Lok Moe Ept Rifle Kit W/ Mbus Sight Set 399.99 None None PSA 16" 5.56 NATO 1:7 Midlength Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/ MBUS Sight Set
Complete Upper Receiver 16" 899.99 Complete None Colt AR-15 Complete Upper Receiver 16"
M4e1 Assembled Gen 2 Upper Receiver 14.5 Mid-Length 474.99 None Aero Precision AR-15 M4E1 Assembled Gen 2 Upper Receiver 14.5 Mid-Length
Dpms .308 Stripped Upper Receiver 172.95 Stripped None Dpms None DPMS .308 Stripped Upper Receiver
Rise Armament Ripper Ar-15 Billet Upper Reveiver 246.00 None Rise Armament AR-15 Rise Armament Ripper AR-15 Billet Upper Reveiver
Nib-X® Upper Receiver, Black 98.99 Black Wmd Guns AR-15 Nib-X® Upper Receiver, Black
Psa 16" Mid-Length 5.56 Nato 1:7 Nitride 13.5" Lightweight M-Lok Upper With Nickel Boron Bcg & Ch - 516446839 349.99 None None PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper With Nickel Boron BCG & CH - 516446839
Psa 16" Mid-Length 1:7 Stainless Freedom Upper -With Bcg And Ch - 7779819 279.99 None None PSA 16" Mid-Length 1:7 Stainless Freedom Upper -with BCG and CH - 7779819
Psa 18" Chf Rifle Length 5.56 Nato 1/7 Heavy 15" Precision Lightweight M-Lok Upper - No Bcg/Ch - 516444448 399.99 None None PSA 18" CHF Rifle Length 5.56 NATO 1/7 Heavy 15" Precision Lightweight M-Lok Upper - NO BCG/CH - 516444448
Rainier Arms Forged Mil-Spec Upper Minus Fa 9mm / .22 Lr 125.00 None Rainier Arms, Llc None Rainier Arms Forged Mil-Spec Upper Minus FA 9mm / .22 LR
Upper Receiver W/.223 Cal, Ft, 20" Bull Barrel, Parkerized 624.99 None Dpms AR-15 Upper Receiver W/.223 Cal, Ft, 20" Bull Barrel, Parkerized
A4 9mm Upper Receiver 664.99 None Rock River Arms AR-15 A4 9Mm Upper Receiver
Rainier Arms Ar-15 Mur Mountain Upper Receiver 565.90 None Rainier Arms, Llc AR-15 Rainier Arms AR-15 MUR Mountain Upper Receiver
7.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch 332.13 None Radical Firearms AR-15 7.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch
Gas Piston Upper Receiver Tac Evo Mid-Length 719.99 None Adams Arms AR-15 Gas Piston Upper Receiver Tac Evo Mid-Length
Psa 18" Chf .223 Wylde 1:8 Rifle Length 15" Lightweight Keymod Upper Without Bcg Or Ch - 516447007 399.99 None None PSA 18" CHF .223 Wylde 1:8 Rifle Length 15" Lightweight Keymod Upper without BCG or CH - 516447007
Psa 16" Mid-Length 5.56 Nato 1:7 Stainless Steel 15" Lightweight M-Lok Upper With Mbus Sight Set - No Bcg Or Ch - 5165448124 249.99 None None PSA 16" Mid-length 5.56 NATO 1:7 Stainless Steel 15" Lightweight M-lok Upper With MBUS Sight Set - No BCG or CH - 5165448124
Noveske Mur (Modular Upper Receiver) W/Forward Assist 218.45 None Noveske None Noveske MUR (Modular Upper Receiver) w/Forward Assist
Bcm Ar-15 Upper Receiver Bfh 11.5" Carbine Mcmr-10 588.95 None Bravo Company Mfg AR-15 BCM AR-15 Upper Receiver BFH 11.5" Carbine MCMR-10
Mega Mml Maten Rifle Length M-Lok Upper Receiver 504.00 None Mega Arms None Mega MML MATEN Rifle Length M-LOK Upper Receiver
Mega Mkm Maten Rifle Length Key Mod Set 782.00 None Mega Arms None Mega MKM MATEN Rifle Length Key Mod Set
Rainier Arms Ultramatch .308 Billet Upper Receiver Mod 3 269.99 None Rainier Arms, Llc None Rainier Arms Ultramatch .308 Billet Upper Receiver MOD 3
Psa 16" 5.56 Nato 1/7 Midlength Nitride 13.5" Lightweight Keymod Upper - No Bcg Or Ch - 516445149 None None PSA 16" 5.56 NATO 1/7 Midlength Nitride 13.5" Lightweight Keymod Upper - No BCG or CH - 516445149
Aero Precision M5 (.308) Assembled Upper Receiver - Blk 131.75 None Aero Precision None Aero Precision M5 (.308) ASSEMBLED UPPER RECEIVER - BLK
Stripped A2 Upper Receiver 99.99 Stripped None Dpms AR-15 Stripped A2 Upper Receiver
Psa 16" Mid-Length Nitride 5.56 Nato 1:7 Moe Freedom Upper & Rear Mbus- Without Bcg / Ch - 516444485 249.99 None None PSA 16" Mid-length Nitride 5.56 NATO 1:7 MOE Freedom Upper & Rear MBUS- Without BCG / CH - 516444485
Psa 16" Mid-Length Stainless Steel 1:7 Freedom Upper - Without Bcg Or Charging Handle - 482726 299.99 None None PSA 16" Mid-length Stainless Steel 1:7 Freedom Upper - Without BCG or Charging Handle - 482726