Uppers, Gas Blocks, Flash Supressors

M4 / M16 / AR15 Upper Receiver Parts and Accessories

We encourage you to browse through our real time inventory of AR-15 upper receiver parts and accessories such as bolts, carriers, AR gas blocks, charging handles, flash suppressors and replacement parts. We are proud to offer products from such high quality manufacturers as Badger Ordnance, GG&G, KAC-Knights Armament, LMT-Lewis Machine & Tool, PRI-Precision Reflex, RRA-Rock River Arms, Smith Enterprise, Troy Industries, Vltor, and Yankee Hill Machine. Whether you’re looking for AR15 uppers or an AR15 gas block, we have the AR15 parts and accessories that you need.

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  • LMT-Lewis Machine & Tool Spare Extractor For AR-15 5.56mm Standard Bolts
    LMT-Lewis Machine & Tool Spare Extractor For AR-15 5.56mm Standard Bolts $18.67
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  • LMT-Lewis Machine & Tool Spare Extractor Spring AR-15 5.56mm Standard Bolts
    LMT-Lewis Machine & Tool Spare Extractor Spring AR-15 5.56mm Standard Bolts $5.25
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  • LMT-Lewis Machine & Tool Standard Bolt Assembly
    LMT-Lewis Machine & Tool Standard Bolt Assembly $79.70
    Out of stock
  • LMT-Lewis Machine & Tool Standard Charging Handle Assembly
    LMT-Lewis Machine & Tool Standard Charging Handle Assembly $26.50
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  • LMT-Lewis Machine & Tool Standard M16 Full-Auto Bolt Carrier Group
    LMT-Lewis Machine & Tool Standard M16 Full-Auto Bolt Carrier Group $201.60
    Out of stock
  • LMT-Lewis Machine & Tool Standard M16 Full-Auto Carrier Group With Enhanced Bolt
    LMT-Lewis Machine & Tool Standard M16 Full-Auto Carrier Group With Enhanced Bolt $261.95
    Out of stock
  • LMT-Lewis Machine & Tool Standard Semi-Auto Bolt Carrier
    LMT-Lewis Machine & Tool Standard Semi-Auto Bolt Carrier $107.23
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  • LMT-Lewis Machine & Tool Standard Semi-Auto Bolt Carrier Group
    LMT-Lewis Machine & Tool Standard Semi-Auto Bolt Carrier Group $201.60
    Out of stock
  • M16 Complete Bolt Carrier Group Assembly w/Daniel Defense Logo
    M16 Complete Bolt Carrier Group Assembly w/Daniel Defense Logo $195.00 $185.00
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  • Magpul AR-15 Polymer MOE M-Lok Handguard, Mid-Length
    Magpul AR-15 Polymer MOE M-Lok Handguard, Mid-Length, 9.18 in $34.95 $33.20
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  • Magpul Extended Length Rail Protector, Ladder
    Magpul Extended Length Rail Protector, Ladder $11.95 $11.35
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  • Magpul M-LOK™ Cantilever Rail/Light Mount, Aluminum
    Magpul M-LOK™ Cantilever Rail/Light Mount, Aluminum $34.95 $33.20
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  • Magpul M-LOK™ T-Nut Replacement Set
    Magpul M-LOK™ T-Nut Replacement Set $5.95 $5.65
    Out of stock
  • Magpul MOE Cantilever Rail, Black
    Magpul MOE Cantilever Rail, Black $7.95 $7.55
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  • Magpul MOE Illumination Kit, Black
    Magpul MOE Illumination Kit, Black $19.95 $18.95
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  • Magpul MOE Polymer L2 Rail Section With 5 Slots, Fits MOE Handguards
    Magpul MOE Polymer L2 Rail Section With 5 Slots, Fits MOE Handguards $5.95 $5.65
    Out of stock
  • Magpul MOE Polymer L3 Rail Section With 7 Slots, Fits MOE Handguards
    Magpul MOE Polymer L3 Rail Section With 7 Slots, Fits MOE Handguards $6.95 $6.60
    Out of stock
  • Magpul MOE Polymer L4 Rail Section With 9 Slots, Fits MOE Handguards
    Magpul MOE Polymer L4 Rail Section With 9 Slots, Fits MOE Handguards $7.95 $7.55
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  • Magpul MOE Polymer L5 Rail Section With 11 Slots, Fits MOE Handguards
    Magpul MOE Polymer L5 Rail Section With 11 Slots, Fits MOE Handguards $8.95 $8.50
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  • Magpul MOE Scout Mount, Left Side Model, Black
    Magpul MOE Scout Mount, Left Side Model, Black $9.95 $9.45
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  • Magpul MOE Scout Mount, Right Side Model, Black
    Magpul MOE Scout Mount, Right Side Model, Black $9.95 $9.45
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  • Magpul Polymer MOE Handguard, Carbine Length
    Magpul Polymer MOE Handguard, Carbine Length $24.95 $23.70
    Out of stock
  • Magpul XT Rail Texture Panel
    Magpul XT Rail Texture Panel $11.95 $11.35
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  • Magpul XTM Enhanced Rail Panels
    Magpul XTM Enhanced Rail Panels $7.95 $7.55
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  • Black
    Magpul XTM Modular Rail Protector Set $7.95 $7.55
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  • Magpul XTM™ Hand Stop Kit for AR-15
    Magpul XTM™ Hand Stop Kit for AR-15 $19.95 $18.95
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  • MGI D-Fender AR15/M16
    MGI D-Fender AR15/M16 $11.49
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  • Noveske 10.5" CQB Complete AR-15 Upper Receiver Gen III w/NSR-9
    Noveske 10.5" CQB Complete AR-15 Upper Receiver Gen III w/NSR-9 $1,325.00 $1,258.75
    Out of stock
  • Noveske 10.5" CQB Q/MUR & 9" LO-PRO RAIL
    Noveske 10.5" CQB Q/MUR & 9" LO-PRO RAIL $1,450.00 $1,377.50
    Out of stock
  • Noveske 10.5" Gen III Upper Receiver Assy., .300BLK
    Noveske 10.5" Gen III Upper Receiver Assy., .300BLK $1,425.00 $1,353.75
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  • Noveske 12.5" Crusader SwitchBlock Upper Rceiver W/9.5" SB RAIL
    Noveske 12.5" Crusader SwitchBlock Upper Rceiver W/9.5" SB RAIL $1,685.00 $1,600.75
    Out of stock
  • Noveske 12.5" Crusader Upper W/MUR & NSR-9" Keymod Handguard
    Noveske 12.5" Crusader Upper W/MUR & NSR-9" Keymod Handguard $1,282.50 $1,218.38
    Out of stock
  • Noveske 16" 5.56mm Recon W/MUR & NSR-13.5" Handguard
    Noveske 16" 5.56mm Recon W/MUR & NSR-13.5" Handguard $1,385.00 $1,315.75
    Out of stock
  • Noveske 16" Recon SWITCHBLOCK W/11.5" SB RAIL
    Noveske 16" Recon SWITCHBLOCK W/11.5" SB RAIL $1,730.00 $1,643.50
    Out of stock
  • Noveske 18" SPR AR-15 GEN III Upper Receiver W/NSR-13.5" Handguard
    Noveske 18" SPR AR-15 GEN III Upper Receiver W/NSR-13.5" Handguard $1,510.00 $1,434.50
    Out of stock
  • Noveske 18" SPR AR-15 Upper Receiver W/MUR & 14" LO-PRO RAIL
    Noveske 18" SPR AR-15 Upper Receiver W/MUR & 14" LO-PRO RAIL $1,516.45 $1,440.63
    Out of stock
  • Noveske 7.5" DIPLOMAT Upper W/MUR & NSR-7" Handguard
    Noveske 7.5" DIPLOMAT Upper W/MUR & NSR-7" Handguard $1,267.89 $1,204.50
    Out of stock
  • Noveske 7.5" DIPLOMAT W/MUR & 7" LO-PRO RAIL
    Noveske 7.5" DIPLOMAT W/MUR & 7" LO-PRO RAIL $1,451.65 $1,379.07
    Out of stock
  • Noveske AR-15 Bolt Assembly, MP Tested
    Noveske AR-15 Bolt Assembly, MP Tested $65.00 $64.49
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  • Noveske AR-15 Flattop upper Receiver With Extended Feed Ramps (M4)
    Noveske AR-15 Flattop upper Receiver With Extended Feed Ramps (M4) $140.00 $134.95
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