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
Magazines
Pistol Magazines
Rifle Magazines
Shotgun Magazines
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
Subscriptions
Reload Membership
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
(12)
CMMG
(7)
Sons of Liberty Gun Works
(6)
Rock River Arms
(4)
DETROIT AMMUNITION COMPANY LLC
(2)
LanTac USA LLC
(2)
Luth-AR
(2)
Colt's Manufacturing
(1)
Heckler & Koch
(1)
LBE Unlimited
(1)
Nordic Components
(1)
Primary Weapons Systems
(1)
Rise Armament
(1)
Sharps Bros.
(1)
WMD Guns
(1)
Type
Conversion Kits
(2)
Price
under $100.00
(5)
$100.00 - $200.00
(13)
$200.00 - $400.00
(25)
$400.00 - $600.00
(9)
$800.00 - $1000.00
(15)
$1000.00 - $2000.00
(8)
from $2000.00
(7)
(0)
LBE UPPER W/FRWRD ASSIST AND EJECTIO
$118.99
Add to Cart
(0)
LUTH AR 24" BULL BBL COMP UPPER 223
$531.99
Add to Cart
(0)
LUTH AR A1 ASSEMBLED UPPER RECEIVER
$187.99
Add to Cart
(0)
NORDIC NC15 EXTRUDED UPPER RCVR BLK
$91.99
Add to Cart
(0)
NOVESKE CHAINSAW 556 16" MLOK UPPER
$1289.99
Add to Cart
(0)
NOVESKE CHAINSAW N4 STRIPPED UPPER
$198.99
Add to Cart
(0)
ODIN BILLET UPPER RECEIVER BLACK
$165.99
Add to Cart
(0)
PWS MK116 MOD 1-M UPR 16" 762X39 BLK
$1129.99
Add to Cart
(0)
PWS UXR ELT CONV KIT .223 WYLDE 16"
$499.99
Add to Cart
(0)
RADIAN UPPER 17.5" 223 WYLDE BLACK
$2069.99
Add to Cart
(0)
RADIAN UPPER 16" 223 WYLDE GRAY
$2029.99
Add to Cart
(0)
RADIAN UPPER 16" 223 WYLDE FDE
$2029.99
Add to Cart
(0)
RADIAN UPPER 17.5" 223 WYLDE FDE
$2069.99
Add to Cart
(0)
RADIAN UPPER 17.5" 223 WYLDE GRAY
$2069.99
Add to Cart
(0)
RADIAN UPPER 17.5" 223 WYLDE ODG
$2069.99
Add to Cart
(0)
RADIAN UPPER/HANDGUARD SET 17" BROWN
$999.99
Add to Cart
(0)
RADIAN UPPER/HANDGUARD SET 17" GRAY
$999.99
Add to Cart
(0)
RADIAN UPPER/HANDGUARD SET 17" FDE
$999.99
Add to Cart
(0)
RADIAN UPPER/HANDGUARD SET 14" GRAY
$924.99
Add to Cart
(0)
RADIAN UPPER/HANDGUARD SET 14" FDE
$924.99
Add to Cart
(0)
RADIAN UPPER/HANDGUARD SET 14" ODG
$924.99
Add to Cart
(0)
RISE CMPLT UPPR 22 ARC 18" PAT BRN
$999.99
Add to Cart
(0)
RRA CMPLT MID A4 UPR 450BM 16" 5RD
$722.99
Add to Cart
(0)
RRA CMPTL RRAGE 3G UPR 5.56NATO 16"
$517.99
Add to Cart
1
2
3
4
