Ammunition
37 / 40mm
Blank Ammunition
Hand Gun Ammunition
Inert / Dummy Ammunition
Linked Ammunition
Rifle Ammunition
Rimfire Ammunition
Shot Shell Ammunition
Brass Processing Service
Pistol Brass
Rifle Brass
Clothing
Base Layers
Belts
Bibs
Caps, Hats & Beanies
Coveralls
Detergents & Waterproofing
Face Masks, Balaclavas & Neck Gaiters
Ghillie Suits & 3-D Clothing
Gloves
Hand Warmers
Jackets, Coats & Parkas
Knee Pads & Chaps
Pants
Patches
Rain Gear
Shirts
Shorts
Silicone Rings
Sunglasses
Suspenders
Sweaters, Sweatshirts & Hoodies
Vests
Wallets
Watches
Firearms
Handguns
Long Guns
NFA Items
Non-Lethal
Parts & Accessories
Upper Receivers & Conversion Kits
Reloading Supplies
Brass
Bullets
Case Cleaning & Preparation
Dies & Shell Holders
Powder
Primers
Shooting Gear
Electronics
Gun Cleaning
Holsters & Pouches
Lights & Lasers
Optics & Sights
Safety & Protection
Slings & Attachments
Storage & Transport
Survival & Emergency
Targets & Training
Tools
Training Equipment
Suppressors
NFA Suppressors
Pistol
Rifle
Rimfire
Shotgun
Specialty
Suppressor Accessories
Subscribe Today! 1 Payment - 365 Days of Free Shipping
Catalog
​
Home
Firearms
Upper Receivers & Conversion Kits
Upper Receivers & Conversion Kits
Popular
​
Filters
Popular
​
Filters
Clear
Sales
Wholesale
(2)
Manufacturer
Radian Weapons
(22)
Sons of Liberty Gun Works
(8)
Luth-AR
(7)
CMMG
(6)
Rise Armament
(4)
Daniel Defense
(3)
LanTac USA LLC
(3)
Rock River Arms
(3)
DETROIT AMMUNITION COMPANY LLC
(2)
Sharps Bros.
(2)
Charles Daly
(1)
Chiappa Firearms
(1)
Colt's Manufacturing
(1)
FN America
(1)
Heckler & Koch
(1)
LBE Unlimited
(1)
Nordic Components
(1)
Primary Weapons Systems
(1)
SilencerCo
(1)
Type
Conversion Kits
(2)
Price
under $100.00
(5)
$100.00 - $200.00
(29)
$200.00 - $400.00
(32)
$400.00 - $600.00
(15)
$800.00 - $1000.00
(26)
$1000.00 - $2000.00
(21)
from $2000.00
(13)
(0)
FN SCAR NRCH CNVRSN FOR SCAR 17S/20S
$899.99
Add to Cart
(0)
FORTIS BILLET UPPER RECEIVER
$189.99
Add to Cart
(0)
FAXON ARAK-21 7.62X39 16" UPPER
$951.99
Add to Cart
(0)
GE SUPER DTY MOD1 5.56 13.9" URG DDC
$1519.99
Add to Cart
(0)
GE URG-I NC 556NATO 14.5" BLK/DDC
$1563.99
Add to Cart
(0)
GE SUPER DTY MOD1 5.56 14.5" URG BLK
$1358.99
Add to Cart
(0)
GE SUPER DTY MOD1 5.56 13.9" URG BLK
$1358.99
Add to Cart
(0)
GE SUPER DTY MOD1 5.56 14.5" URG DDC
$1519.99
Add to Cart
(0)
GE SUPER DUTY MOD1 5.56 16 URG BLK
$1358.99
Add to Cart
(0)
GE SUPER DUTY MOD1 5.56 16 URG DDC
$1519.99
Add to Cart
(0)
FAXON ION ULTRALT 16" 556NATO UPPER
$1011.99
Add to Cart
(0)
FAXON ARAK-21 556NATO 16" UPPER
$951.99
Add to Cart
(0)
IFG FK BRNO CONV KIT 9MM BBL 2 MAGS
$401.99
Add to Cart
(0)
LANTAC RECON UPPER 223 WYLDE 16"
$1190.99
Add to Cart
(0)
LANTAC RECON UPPER 300 BO 16"
$1190.99
Add to Cart
(0)
LANTAC USR FORGED UPPER RECEIVER BLK
$139.99
Add to Cart
(0)
LUTH AR 308 UPPER RECEIVER
$166.99
Add to Cart
(0)
LUTH AR 24" BULL BBL COMP UPPER 223
$531.99
Add to Cart
(0)
LUTH AR A3 UPPER RECEIVER
$110.99
Add to Cart
(0)
LUTH AR UPPER RCVR ASMB W/CHARG HNDL
$140.99
Add to Cart
(0)
LUTH AR A1 ASSEMBLED UPPER RECEIVER
$187.99
Add to Cart
(0)
LUTH AR A2 ASSEMBLED UPPR RECVR N/CH
$202.99
Add to Cart
(0)
LUTH AR STRIPPED A2 UPPER BLACK
$109.99
Add to Cart
(0)
LBE UPPER W/FRWRD ASSIST AND EJECTIO
$118.99
Add to Cart
1
2
3
4
5
6
7
