Filters

Colors

Types

Manufacturers

See more...

Platforms

Length

Gas System Length

Upper Receiver


Product Price Rating Type Color Manufacturer Platform Image
Ar-15 Stripped Upper Receiver Black 45.99 Stripped Black Brownells AR-15 Ar-15 Stripped Upper Receiver Black
Black Diamond Specter Upper Receiver 986.99 Black Yankee Hill Machine Co., Inc. AR-15 Black Diamond Specter Upper Receiver
Complete Upper Receiver 16" 899.99 Complete None Colt AR-15 Complete Upper Receiver 16"
M5e1 Assembled Gen 2 Upper Receiver 18 Mid-Length 659.99 None Aero Precision AR-15 M5E1 Assembled Gen 2 Upper Receiver 18 Mid-Length
M4a1 Socom Upper Receiver Assembly 5.56x45mm 16" 319.99 None Brownells AR-15 M4A1 Socom Upper Receiver Assembly 5.56X45Mm 16"
A4 9mm Upper Receiver 664.99 None Rock River Arms AR-15 A4 9Mm Upper Receiver
Forged A4 Upper Receiver Assembly 99.90 None Rock River Arms AR-15 Forged A4 Upper Receiver Assembly
Mur Upper Receiver 199.99 None Vltor Weapon Systems AR-15 Mur Upper Receiver
Psa 18" 223 Wylde 1:7 Ss 15.5" Odin Works Lightweight M-Lok Upper With Nickel Boron Bcg & Ch 399.99 None None PSA 18" 223 Wylde 1:7 SS 15.5" Odin Works Lightweight M-LOK Upper With Nickel Boron BCG & CH
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
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" Midlength 5.56 Nato Freedom Stainless Steel Moe Upper Without Bcg Or Ch - 48199 249.99 None None PSA 16" Midlength 5.56 NATO Freedom Stainless Steel MOE Upper Without BCG or CH - 48199
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 10.5" 5.56 Nato 1/7" Phosphate Upper - Without Bcg Or Charging Handle-516447140 199.99 None None PSA 10.5" 5.56 NATO 1/7" Phosphate Upper - without BCG or Charging Handle-516447140
Psa 16" Mid-Length Phosphate 5.56 Nato 1/7 Gray Moe Sl Upper With Bcg, Ch, & Rear Mbus - 516445899 249.99 None None PSA 16" Mid-Length Phosphate 5.56 NATO 1/7 Gray MOE SL Upper With BCG, CH, & Rear MBUS - 516445899
Daniel Defense Mk18 Upper Receiver Group - Black 10.3" 1146.00 Black Daniel Defense None Daniel Defense MK18 Upper Receiver Group - Black 10.3"
Bootleg Ar-15 Complete Upper - 14.5" Pinned 699.95 None Bootleg AR-15 Bootleg AR-15 Complete Upper - 14.5" Pinned
Grey Ghost Precision 300 Blk Keymod Upper 10.5" 1224.00 None Grey Ghost Precision None Grey Ghost Precision 300 BLK Keymod Upper 10.5"
Rainier Arms Ultramatch 9 Pcc 9mm Complete Upper - 16" (Keymod) 699.99 None Rainier Arms, Llc None Rainier Arms Ultramatch 9 PCC 9mm Complete Upper - 16" (Keymod)
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
Primary Weapons Systems Ar-15 Mk1, Mod 2 Upper, 11.85" Barrel, 11" Keymod Rail Complete 7.62x39 Upper 1147.46 None Primary Weapon Systems AR-15 Primary Weapons Systems AR-15 MK1, MOD 2 Upper, 11.85" Barrel, 11" KeyMod Rail Complete 7.62x39 Upper
Noveske Gen 3 300blk Nsr 9 M-Lok - 10.5 Cqb 1353.75 None Noveske None Noveske GEN 3 300BLK NSR 9 M-LOK - 10.5 CQB
Noveske Ar-15 Gen 3 Switch Block .223/5.56mm Light Recce Upper - 16 1748.00 None Noveske AR-15 Noveske AR-15 Gen 3 Switch Block .223/5.56MM Light Recce Upper - 16
Noveske Ar-15 Gen 1, .223/5.56, 10.5 Light Shorty Rogue Hunter, Nsr-9 Upper 1102.00 None Noveske AR-15 Noveske AR-15 Gen 1, .223/5.56, 10.5 Light Shorty Rogue Hunter, NSR-9 Upper
Fightlite Ar-15 Belt And Mag Feed Upper Receiver Assembly 3995.00 None Fightlite AR-15 Fightlite AR-15 BELT AND MAG FEED UPPER RECEIVER ASSEMBLY
Noveske Ar-15 Complete Gen 3 Upper .223/5.56 10.5" Light Shorty Nqr-9 1425.00 None Noveske AR-15 Noveske AR-15 Complete Gen 3 Upper .223/5.56 10.5" Light Shorty NQR-9
Noveske Ar-15 Upper Gen 3, 5.56, 10.5 Cqb, Nsr-9 Kx5 1/2-28 1353.75 None Noveske AR-15 Noveske AR-15 Upper Gen 3, 5.56, 10.5 CQB, NSR-9 KX5 1/2-28
Bootleg Ar-15 14.5" Partial Upper, 13.4" Picmod Hg, Pinned Pws Triad 556 699.95 None Bootleg AR-15 Bootleg AR-15 14.5" Partial Upper, 13.4" PicMod HG, Pinned PWS Triad 556
Bootleg Ar-15 10.5" Partial Upper, 9.4" Picmod Hg 644.95 None Bootleg AR-15 Bootleg AR-15 10.5" Partial Upper, 9.4" PicMod HG
Rainier Arms Ruc .22 Lr Upper Black 684.00 Black Rainier Arms, Llc None Rainier Arms RUC .22 LR Upper Black
Primary Weapons Systems Mk1, Mod 2 Upper, 11.85" Barrel, 11" Keymod Rail, 300 Blk, Triad 30 1299.95 None Primary Weapon Systems None Primary Weapons Systems MK1, MOD 2 Upper, 11.85" Barrel, 11" KeyMod Rail, 300 BLK, Triad 30
Bcm Ar-15 Bfh 11.5 Carbine Upper Receiver Group W/ Kmr-Alpha 10 Handguard 664.95 None Bravo Company Mfg AR-15 BCM AR-15 BFH 11.5 Carbine Upper Receiver Group w/ KMR-ALPHA 10 Handguard
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
Rainier Arms Ar-15 Combat Series Upper Mod 2 16" (M-Lok) 1089.00 None Rainier Arms, Llc AR-15 Rainier Arms AR-15 Combat Series Upper Mod 2 16" (M-LOK)
Noveske Ar-15 Gen 3 Upper Complete 10.5" Cqb Nqr-9 W/ Switchblock 1705.25 None Noveske AR-15 Noveske AR-15 Gen 3 Upper Complete 10.5" CQB NQR-9 W/ Switchblock
Noveske Complete Upper Gen 3 300blk 10.5 Cqb Nsr-9 1353.75 None Noveske None Noveske Complete Upper Gen 3 300Blk 10.5 CQB NSR-9
Faxon Firearms Ar-15 Arak-21 Upper Receiver 12.5" Combo 5.56 And 7.62x39 1519.05 None Faxon Firearms AR-15 Faxon Firearms AR-15 ARAK-21 Upper Receiver 12.5" Combo 5.56 and 7.62x39
Daniel Defense Ar-15 Ddm4v11 Pro Series Urg 18" .223/5.56 1276.00 None Daniel Defense AR-15 Daniel Defense AR-15 DDM4V11 Pro Series URG 18" .223/5.56
Daniel Defense Ar-15 M4 Urg V11 .223/5.56 Upper Mid-16" 986.00 None Daniel Defense AR-15 Daniel Defense AR-15 M4 URG V11 .223/5.56 Upper Mid-16"
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
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
Grey Ghost Precision 300 Blk M-Lok Upper 10.5" 1224.00 None Grey Ghost Precision None Grey Ghost Precision 300 BLK M-LOK Upper 10.5"
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 10.5" Pistol-Length 300aac 1/8 Phosphate 9" M-Lok Upper With Mbus Sight Set - No Bcg Or Ch - 5165448126 279.99 None None PSA 10.5" Pistol-Length 300AAC 1/8 Phosphate 9" M-Lok Upper with MBUS Sight Set - No BCG or CH - 5165448126
Psa 16" Mid-Length 5.56 Nato 1/7 Stainless Pencil 15" Lightweight M-Lok Upper With Mbus Sight Set - No Bcg Or Ch - 5165448127 299.99 None None PSA 16" Mid-Length 5.56 NATO 1/7 Stainless Pencil 15" Lightweight M-Lok Upper With MBUS Sight Set - No BCG or CH - 5165448127
Psa 7.5" Phosphate 5.56 1/7 7" 2a Armament Keymod Upper - Without Bcg Or Ch - 5165448125 179.99 None None PSA 7.5" Phosphate 5.56 1/7 7" 2A Armament Keymod Upper - Without BCG or CH - 5165448125
Blem Psa 16" Mid-Length 5.56 Nato 1:7 Phosphate 13.5" Lightweight M-Lok Freedom - No Bcg Or Ch - 5165448231 None None BLEM PSA 16" Mid-Length 5.56 NATO 1:7 Phosphate 13.5" Lightweight M-Lok Freedom - No BCG or CH - 5165448231
Psa 8.5" Pistol-Length 5.56 Nato 1:7 Nitride 7" 2a Armament Keymod Upper - No Bcg Or Charging Handle - 7778434 249.99 None None PSA 8.5" Pistol-length 5.56 NATO 1:7 Nitride 7" 2A Armament Keymod Upper - No BCG or Charging Handle - 7778434
Ar-15 Upper Receiver Assembly 300blk No Bcg 281.99 Black Anderson Manufacturing AR-15 Ar-15 Upper Receiver Assembly 300Blk No Bcg
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
Primary Weapons Systems Mk1 Mod 2-M Upper, 7.75" Barrel, .223 Wylde, Cqb556 1147.46 None Primary Weapon Systems None Primary Weapons Systems MK1 MOD 2-M Upper, 7.75" Barrel, .223 Wylde, CQB556
Bootleg Ar-15 5.56 M-Lok Partial Upper - 16" 644.95 None Bootleg AR-15 Bootleg AR-15 5.56 M-Lok Partial Upper - 16"
Bootleg Ar-15 5.56 M-Lok Partial Upper - 10.5" 644.95 None Bootleg AR-15 Bootleg AR-15 5.56 M-Lok Partial Upper - 10.5"
Bootleg Ar-15 5.56 M-Lok Partial Upper - 14.5" Pinned 699.95 None Bootleg AR-15 Bootleg AR-15 5.56 M-Lok Partial Upper - 14.5" Pinned
Primary Weapons Systems Ar-15 Mk1, Mod 2 Upper, 11.85" Barrel, 11" M-Lok Rail, .223 Wylde, Triad 556-Complete Upper 1147.46 None Primary Weapon Systems AR-15 Primary Weapons Systems AR-15 MK1, MOD 2 Upper, 11.85" Barrel, 11" M-LOK Rail, .223 Wylde, Triad 556-Complete Upper
Pws Ar-15 Mk1, Mod 2-M Upper, 9.75" Barrel, M-Lok Rail Complete 300blk Upper 1147.46 None Primary Weapon Systems AR-15 PWS AR-15 MK1, MOD 2-M Upper, 9.75" Barrel, M-LOK Rail Complete 300BLK Upper
Primary Weapons Systems Ar-15 Mk1, Mod 2-M Upper, 14.5" Barrel, 12" Mlok Rail, .223 Wylde, Pinned Fsc 556 1147.46 None Primary Weapon Systems AR-15 Primary Weapons Systems AR-15 MK1, MOD 2-M Upper, 14.5" Barrel, 12" MLOK Rail, .223 Wylde, pinned FSC 556
Adams Arms P3 Adjustable Complete Upper 5.56 - 16.5" 1246.49 None Adams Arms None Adams Arms P3 Adjustable Complete Upper 5.56 - 16.5"
Adams Arms P2 Adjustable Complete Upper 5.56 - 7.5" 976.49 None Adams Arms None Adams Arms P2 Adjustable Complete Upper 5.56 - 7.5"
Adams Arms P2 Adjustable Complete Upper 5.56 - 16" 976.49 None Adams Arms None Adams Arms P2 Adjustable Complete Upper 5.56 - 16"
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
Noveske Stripped Gen 3 Upper Receiver Chainsaw 270.75 Stripped None Noveske None Noveske Stripped Gen 3 Upper Receiver Chainsaw
Zev Technologies Lf .308/7.62 Billet Receiver Set 623.00 None Zev Tech None ZEV Technologies LF .308/7.62 Billet Receiver Set
Upper:Noveske Ar-15 .223/5.56mm Spr 18 Nsr 1480.00 None Noveske AR-15 Upper:Noveske AR-15 .223/5.56MM SPR 18 NSR
Noveske Ar-15 .223/5.56mm Light Recce - 16 Basic 902.50 None Noveske AR-15 Noveske AR-15 .223/5.56MM Light Recce - 16 Basic
Noveske Gen Iii Ar-15 Upper Receiver Stripped 275.50 Stripped None Noveske AR-15 Noveske Gen III AR-15 Upper Receiver Stripped
Ddm4v7 Lw 16 "5.56mm 1-7 Light 15" Mfr Xs M-Lok Rail Upper 1008.99 None Daniel Defense AR-15 Ddm4V7 Lw 16 "5.56Mm 1-7 Light 15" Mfr Xs M-Lok Rail Upper
Ar-15/M16 Billet Upper Receiver, .458 Socom 115.99 None Cross Machine Tool Co., Inc. AR-15 Ar-15/M16 Billet Upper Receiver, .458 Socom
Psa 18" Rifle Length .223 Wylde 1/7 Nitride 15" Lightweight M-Lok Upper W/ Nickel Boron Bcg & Ch 359.99 None None PSA 18" Rifle Length .223 Wylde 1/7 Nitride 15" Lightweight M-Lok Upper w/ Nickel Boron BCG & CH
Psa 16" Midlength 5.56 Nato 1:7 Nitride 13.5" Lightweight M-Lok Upper With Bcg, Ch, & Mbus Sight Set 369.99 None None PSA 16" Midlength 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper With BCG, CH, & MBUS Sight Set
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
Psa 10.5" 5.56 Nato 1/7 Nitride 9" Lightweight M-Lok Freedom Upper With Bcg & Ch 319.99 None None PSA 10.5" 5.56 NATO 1/7 Nitride 9" Lightweight M-Lok Freedom Upper With BCG & CH
Psa Ar15 16" Mid-Length 5.56 Nato 1:7 Nitride 13.5" M-Lok Upper - With Bcg & Ch - 516444973 299.99 None None PSA AR15 16" Mid-length 5.56 NATO 1:7 Nitride 13.5" M-Lok Upper - With BCG & CH - 516444973
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