Skip to main content
Firearms
Rifle & Long Gun Components
Carry - Storage & Cases
Ammunition
Magazines
Reloading Equipment
High Capacity Magazines
Optics
Lasers and Lights
Scope Rings
Lights, Lasers, & Batteries
Gunsmithing
Misc. & Resources
Silencer Accessories
Misc. Accessories
Electronics
Books, Software, & DVDs
Outdoors - Survival & Tools
Blog
Contact Us
Search for:
Search
Firearms
Ammunition
Optics
Gunsmithing
Misc. & Resources
Blog
Contact Us
Login / Register
Visit Store
(866) 656-1584
Visit Store
(866) 656-1584
Search for:
Search
Firearms
Long Guns
AK Style Rifles
,
Bullpups
,
Defensive Shotguns
,
Hunting Rifles
,
Lower Receivers
,
Modern Sporting Rifles
,
Sporting Shotguns
,
Surplus/Replica Rifles
All Long Guns
Handguns
Fire Control Unit
,
Lower Receivers
,
Other Handguns
,
Pistols - Metal Frame
,
Pistols - Polymer Frame
,
Revolvers
All Handguns
Airguns
Air Pistols
,
Air Rifles
,
Airgun Magazines
,
BB's and Pellets
,
Slingshots
All Airguns
Revolver
Single Action Rimfire Revolvers
All Revolver
Ammunition
Ammunitions
Rimfire
Centerfire - Handgun
Centerfire - Rifle
Shotshell
Rifle Ammunition
Handgun Ammunition
Rimfire Ammunition
Shot Shell Ammunition
All Ammunitions
Optics
Optics
Binoculars & Monoculars
Night Vision & Thermal Optics
Non-Magnified Optics
Rangefinders
Red Dot Sights & Non-Magnified Optics
Scopes
Scopes & Magnified Optics
Spotting Scopes
All Optics
Gunsmithing
Accessories
Accessories
Cleaning Equipment
Holsters/Pouches
Knives
Reloading Equipment
All Accessories
Magazines
Airgun Magazines
Pistol Magazines
Rifle Magazines
Shotgun Magazines
Speed Loaders
All Magazines
Safes & Security
Gun Locks
Handcuffs
Safe Accessories
Safes
Storage
All Safes & Security
Non-Lethal Defense
Alarms
Batons & Impact Devices
Pepper Sprays
Sheaths & Sharpeners
Stun Guns
All Non-Lethal Defense
Tasers
Taser Accessories
Tasers
All Tasers
Blog
Contact Us
Login / Register
Upper Receivers & Conversion Kits
Rifle & Long Gun Components
Upper Receivers & Conversion Kits
Filter By
Default sorting
By title: alphabetical
Price: High to Low
Price: Low to High
Filters
Product Filters
Category
Category
Upper Receivers & Conversion Kits (167)
Handgun Conversion Kits (27)
Complete Upper Receivers (71)
Upper Receivers (51)
Long Gun Conversion Kits (18)
Rifle & Long Gun Components (167)
Manufacturer
– Select Manufacturer –
SIG SAUER (4)
FightLite (5)
FN America (1)
Yankee Hill Machine Co (1)
Heckler & Koch (1)
San Tan Tactical (1)
Luth-AR (4)
CMMG (7)
Sons of Liberty Gun Works (1)
TROY Industries (1)
Savage Arms (2)
Geissele Automatics (6)
Radical Firearms (3)
Ballistic Advantage (3)
Battle Arms Development (4)
Noveske (3)
Rise Armament (4)
Aero Precision (23)
Spike's Tactical (5)
Bravo Company (1)
WMD Guns (3)
Fortis Manufacturing, Inc. (1)
Rock River Arms (4)
Nordic Components (1)
Colt's Manufacturing (5)
Radian Weapons (24)
Wilson Combat (1)
Advantage Arms (21)
LBE Unlimited (2)
LanTac USA LLC (2)
Primary Weapons Systems (5)
Daniel Defense (1)
Chiappa Firearms (2)
Black Rain Ordnance (2)
Barrett (7)
Odin Works (1)
Steyr Arms (1)
Sharps Bros. (2)
FK BRNO (1)
VLTOR Weapon Systems (1)
Caliber
– Select Caliber –
556NATO (38)
9MM (11)
6.5 Creedmoor (2)
7.62X39 (3)
Multi (1)
223 Remington (2)
22 LR (29)
308 Winchester (3)
338 Lapua (1)
300 Blackout (3)
350 Legend (3)
762NATO (1)
450 Bushmaster (1)
22 ARC (2)
6MM ARC (13)
223 Wylde (10)
300 PRC (1)
458 Socom (1)
300 Norma Magnum (1)
Capacity
– Select Capacity –
10 Rounds (28)
15 Rounds (2)
5 Rounds (1)
21 Rounds (2)
17 Rounds (2)
25 Rounds (3)
28 Rounds (2)
Stock Status
– Select Stock Status –
Out of stock (81)
In stock (86)
Show
(
167
)
Cancel
RRA CMPLT MID A4 UPR 450BM 16″ 5RD
$
750.00
RRA CMPTL RRAGE 3G UPR 5.56NATO 16″
$
529.99
BARRETT MRAD CONV KIT 308WIN 24″
$
1,587.00
BAD WORKHORSE 556 UPPR 16″ BLK N/BCG
$
535.99
ODIN BILLET UPPER RECEIVER BLACK
$
169.00
BARRETT MRAD CNV KT 300 NM BLK 10RD
$
1,760.00
RADIAN UPPER/HANDGUARD SET 15.5″ BRN
$
959.95
SOLGW AR-15 STRIPPED UPPER RECEIVER
$
150.00
BARRETT MRAD CONV KIT 6.5CM 24″ C
$
1,768.99
STEYR 9MM CONVERSION KIT FOR AUG
$
999.00
BAD 16 UPPR AUTH ELITE 556 AMBI BLK
$
865.20
RADIAN UPPER 14.5″ 6MM ARC GREY
$
2,079.95
ADV ARMS CONV KIT AAC19-23G5MOD-CA
$
295.00
GE SUPER DTY MOD1 5.56 14.5″ URG BLK
$
1,325.00
NOVESKE CHAINSAW N4 STRIPPED UPPER
$
200.00
SHARPS SBUR04 BILLET UPPER
$
249.99
ADV ARMS CONV KIT FOR LE17-22 G4/BAG
$
285.00
SHARPS 365 X MACRO PISTOL KIT BLK
$
771.99
LUTH AR A1 ASSEMBLED UPPER RECEIVER
$
192.99
RADICAL UPPR 556 16″ 1-7 MLOK BLK
$
348.99
LBE A2 STRIPPED UPPER W/FIXED CARRY
$
114.99
PWS MK116 MOD 1-M UPPER 16.1″ BLK
$
1,168.99
GE SUPER DTY MOD1 5.56 14.5″ URG DDC
$
1,450.00
NORDIC 16″ .22LR COMPLETE UPPER 10RD
$
610.00
CHIAPPA M4-22 G2 UPPR 22LR 16″ 10RD
$
334.99
FIGHT MCR MIL DF UPR 556 PIC 16.25″
$
6,960.99
AERO M4E1 ASSEMBLED UPPER KODIAK BRN
$
163.99
ADV ARMS 22 CNV KT FOR G17 G4 CA 10R
$
295.00
BAD 16 UPPR AUTH ELITE 556AMBI C BLK
$
865.20
BLACK RAIN UPPER RECEIVER 223REM BLK
$
234.99
ADV ARMS CONV KIT AAC17-22G3MOD-CA
$
295.00
ADV ARMS CONV KIT FOR LE20-21 W/BAG
$
284.99
DD M4V7 LW UPPER 556 16″ MLOK BLK
$
1,339.00
NOVESKE CHAINSAW 556 16″ MLOK UPPER
$
1,300.00
AERO M4E1-T UPPER 5.56 16″ FDE
$
694.99
AERO AR15 STRIPPED UPPER BLACK
$
104.99
LBE UPPER W/FRWRD ASSIST AND EJECTIO
$
125.99
AERO M5 AR10 ASSEMBLED UPPER BLACK
$
194.99
FN SCAR NRCH CNVRSN FOR SCAR 17S/20S
$
936.99
LANTAC USR FORGED UPPER RECEIVER BLK
$
145.99
ADV ARMS CONV KIT TGT 1911 22LR W/BG
$
399.00
RADIAN UPPER 18″ 6MM ARC OD GREEN
$
2,169.95
PWS MK116 MOD 2-M UPR 16″ 762X39 BLK
$
1,499.95
AERO AR15 ASSEMBLED UPPER FDE
$
144.99
WMD NIB-X UPPER RECR 5.56 STRIPPED
$
107.10
AERO M5 AR10 ASSEMBLED UPPER ODG
$
167.99
RADIAN UPPER 14.5″ 6MM ARC OD GREEN
$
2,079.95
WMD UPPER ASSY 300BLK 16″ BARREL
$
625.00
TROY AK47 RAIL TOP GAS TUBE BLK
$
174.99
ADV ARMS CONV KIT 26-27G1-5MOD
$
352.99
1
2
3
4
