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Serving SC Since 1961
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Uppers & Conversion Kits
Uppers & Conversion Kits
721 products
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FightLite
FightLite MCR Mission Configurable Rifle 5.56 NATO Complete Upper Receiver, 12.5" Barrel, Black Anodized - MCR556DFRS
MSRP: $6999.99
$6196.00
Add to Cart
Aim Sports
Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO 16" Black Nitride Barrel M-LOK Handguard - AR5CUB3
$319.00
Out of Stock
Aim Sports
Aim Sports AR5CUB5 Complete Build Kit 5.56x45mm NATO 16" Black Anodized - AR5CUB5
$430.00
Out of Stock
Kimber
Kimber 1911 Rimfire Target Conversion Kit, Silver - 1100044
$367.00
Out of Stock
Spike's Tactical
Spike's Tactical STU5435MLS Complete Upper Receiver 5.56 NATO 16" Mid-Length, Black Phosphate - STU5435MLS
MSRP: $700.00
$570.00
Out of Stock
Spike's Tactical
Spike's Tactical Complete Upper 5.56 NATO 16" Barrel with 9" Quad Rail Handguard, Black - STU5025R9S
MSRP: $826.00
$672.00
Add to Cart
CMMG
CMMG AR Conversion Kit .22LR 10-Shot Echo - 22BA6B3
MSRP: $229.95
$189.00
Out of Stock
CMMG
CMMG AR Conversion Kit .22LR Bravo 3-10Rd Magazines, FDE - 22BA6AEFDE
MSRP: $239.95
$202.00
Add to Cart
Sharps Bros.
Sharps Bros. Billet Upper Receiver, 7075-T6 Aluminum, Mil-Spec Anodized - SBUR04
MSRP: $259.95
$222.00
Out of Stock
Zaffiri Precision
Zaffiri Precision Upper Parts Kit for Glock 17/17L/34 Gen 1-3 - 17.34.UPK
$77.00
Out of Stock
Zaffiri Precision
Zaffiri Precision Upper Parts Kit for Glock 19 Gen 1-3 - 19.UPK
$77.00
Out of Stock
FightLite
FightLite MCR Mission Configurable Rifle 5.56 NATO 16.25" Complete Upper Receiver, Black Anodized - MCR556DFR
MSRP: $6999.99
$6196.00
Add to Cart
CMMG
CMMG Resolute Mk4 338 ARC Upper Receiver, 16.10" Barrel, Black Nitride/Black Armor Cerakote - 34B440FAB
$788.00
Out of Stock
CMMG
CMMG Resolute MK4 300 Blackout Upper Receiver, 16.1" Barrel, M-LOK Free-Float Handguard, Armor Black - 30BC40AAB
$468.00
Out of Stock
Ruger
Ruger MAX-9 Long Slide Assembly, Black Oxide - 90750
MSRP: $169.99
$100.00
Add to Cart
Chiappa Firearms
Chiappa Firearms M4-22 Gen II Pro Upper Receiver, .22 LR, 16" Steel Barrel, Black - 500095
MSRP: $350.00
$297.00
Out of Stock
LARUE TACTICAL
LaRue Tactical Quad Rail Handguard, Aluminum Anodized - LT910145
$344.00
Out of Stock
LARUE TACTICAL
LaRue Tactical Quad Rail Handguard, Aluminum Anodized - LT91090
$344.00
Add to Cart
Aero Precision
Aero Precision AR15 Complete Upper 16" 5.56 NATO Mid-Length, Black Anodized - APAR502505M65
MSRP: $460.00
$407.00
Out of Stock
TacFire
TacFire 15" M-LOK Free-Float Handguard, Full Rail QD - HG2715
$36.00
Out of Stock
Rise Armament
Rise Armament RA6ARCCUGRY18 Upper Receiver 6 ARC 18" Grey Cerakote - RA6ARCCUGRY18
$853.00
Add to Cart
Colt
Colt LE6945CK Upper Receiver Conversion Kit 5.56 10.3" - LE6945CK
MSRP: $1369.00
$1184.00
Out of Stock
Colt
Colt LE6943CK Upper Receiver Conversion Kit 5.56 11.5" - LE6943CK
MSRP: $1369.00
$1184.00
Out of Stock
Heckler & Koch
Heckler & Koch MR762 A4 Complete Upper Receiver Assembly 7.62x51mm, 13" Barrel, Black Anodized - 51001919
MSRP: $3049.00
$2558.00
Add to Cart
Yankee Hill Machine
Yankee Hill Machine A3 Flat Top Stripped Upper Receiver, 5.56 NATO, Black Anodized - YHM-110
MSRP: $134.95
$110.00
Add to Cart
Chiappa Firearms
Chiappa Firearms M4-22 Gen II Pro Upper 22 LR 16" Complete Upper Receiver, Matte Black - 500093
$298.00
Out of Stock
CMMG
CMMG Dissent MK4 300 Blackout 6.5" Upper Receiver Assembly, Armor Black - 30B0E67AB
$1160.00
Out of Stock
Geissele Automatics
Geissele Automatics GFR RECCE 6mm ARC 16" Upper Receiver Assembly, Dichromatic Cerakote - 05-1521S
$3312.00
Out of Stock
Luth-AR
Luth-AR A1 Upper Receiver, 223/5.56mm, Aluminum Black Hardcoat Anodized - UR-01-M16-A
$224.00
Out of Stock
Luth-AR
Luth-AR UR-01-M16 A1 Stripped Upper Receiver, 223/5.56mm, Black Anodized - UR-01-M16
$166.00
Add to Cart
Luth-AR
Luth-AR A1 Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize - UR-01-E3-SA
$191.00
Add to Cart
Stern Defense
Stern Defense Pistol Upper 9mm 6" Barrel 8" M-LOK Rail - S01577
MSRP: $470.45
$444.00
Add to Cart
Spike's Tactical
Spike's Tactical STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate - STU5025M4S
$773.00
Out of Stock
BILSON ARMS
Bilson Arms BA-15FCP .338 ARC Upper Receiver 12.50" Threaded Barrel, Flat Dark Earth/Sniper Green Cerakote - P7UFSFG10R1
$1251.00
Add to Cart
Patriot Ordnance Factory
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Patriot Brown Receiver - 01815
$895.00
Out of Stock
Luth-AR
Luth-AR UR-01-E3-M4 A1 Stripped Upper Receiver, 223/5.56mm, Black Anodized - UR-01-E3-M4
$135.00
Out of Stock
CMMG
CMMG Banshee MK4 Upper Group .22 LR 4.5" Barrel, Black - 22B5BD4AB
MSRP: $799.95
$613.00
Add to Cart
TIMBER CREEK OUTDOOR INC
Timber Creek Outdoors Ultralight Enforcer 15" Aluminum Handguard for AR-15 - ULE15HGOD
$158.00
Out of Stock
Heckler & Koch
Heckler & Koch MR556 A4 Upper Receiver Kit 5.56mm 11" Black Anodized - 51000385
MSRP: $2499.00
$2059.00
Out of Stock
Stern Defense
Stern Defense 45 ACP 6" Upper Receiver with Black Melonite Barrel and Aluminum Anodized Receiver - 015SD8INCHMOD5MLOK6INC
$529.00
Add to Cart
Stern Defense
Stern Defense MOD4 8" Aircraft Grade Aluminum Anodized Receiver - 002SDHG8
$94.00
Out of Stock
Luth-AR
Luth-AR A1 Assembled Upper Receiver, 223/5.56mm Aluminum Black Anodized - UR-01A
MSRP: $199.95
$173.00
Out of Stock
Stern Defense
Stern Defense 15" Aircraft Grade Aluminum Anodized Handguard Receiver for AR-15 - 002SDHG15
$118.00
Out of Stock
Stern Defense
Stern Defense 015SD 45 ACP 16.10" Upper Receiver with M-LOK, Black Melonite - 015SD15INCHMOD5MLOK161
$584.00
Add to Cart
Stern Defense
Stern Defense Mod 4 Upper Receiver 9mm 4" Barrel M-LOK Rail - 015SD4INCHMOD4MLOK4INC
$395.00
Add to Cart
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