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
(19)
Sons of Liberty Gun Works
(15)
Lone Wolf Distributors
(12)
True Precision
(12)
Advantage Arms
(10)
Primary Weapons Systems
(10)
Sig Sauer
(10)
Allen
(9)
CMMG
(9)
Odin Works
(8)
LanTac USA LLC
(7)
Luth-AR
(7)
2A Armament
(6)
Mission First Tactical
(6)
Ballistic Advantage
(5)
Battle Arms Development
(5)
Mossberg
(5)
Rise Armament
(5)
Century Arms
(4)
Desert Tech
(4)
Rock River Arms
(4)
Daniel Defense
(3)
FN America
(3)
Fortis Manufacturing, Inc.
(3)
GPS
(3)
Grey Ghost Precision
(3)
Spike's Tactical
(3)
US PeaceKeeper
(3)
Yankee Hill Machine Co
(3)
Cole-TAC
(2)
DETROIT AMMUNITION COMPANY LLC
(2)
Gemtech
(2)
Grey Ghost Gear
(2)
LBE Unlimited
(2)
Nordic Components
(2)
Noveske
(2)
Phoenix
(2)
Primos
(2)
Sharps Bros.
(2)
Tactical Solutions
(2)
Troy
(2)
Aero Precision
(1)
Backup Tactical
(1)
Charles Daly
(1)
Chiappa Firearms
(1)
Colt's Manufacturing
(1)
Diamondback Firearms
(1)
Faxon Firearms
(1)
HK
(1)
Magnum Research
(1)
Ohio Ordnance Works, Inc
(1)
Rival Arms
(1)
Samson Manufacturing Corp.
(1)
Seekins Precision
(1)
SilencerCo
(1)
Ultradyne USA
(1)
ZEV Technologies
(1)
Zaffiri Precision
(1)
Type
Conversion Kits
(2)
Price
under $100.00
(173)
$100.00 - $200.00
(118)
$200.00 - $400.00
(57)
$400.00 - $600.00
(21)
$800.00 - $1000.00
(36)
$1000.00 - $2000.00
(26)
from $2000.00
(8)
(0)
RISE CMPLT UPPR 22 ARC 18" BLACK
$999.99
Add to Cart
(0)
RISE CMPLT UPPR 22 ARC 18" PAT BRN
$999.99
Add to Cart
(0)
RISE CMPLT UPPR 6MM ARC 18" PAT BRN
$999.99
Add to Cart
(0)
RISE CMPLT UPPR 6MM ARC 18" BLACK
$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
(0)
RRA CMP COYOTE CAR A4 UPR 300BLK 16"
$786.99
Add to Cart
(0)
RRA CMPLT CAR A4 UPR 458 SOCOM 16"
$757.99
Add to Cart
(0)
STEYR 9MM CONVERSION KIT FOR AUG
$923.99
Add to Cart
(0)
SAV SINGLE SHOT ADPTER SA NO LATCH
$28.99
Add to Cart
(0)
SAV SINGLE SHOT ADPTER LA INT LATCH
$28.99
Add to Cart
(0)
TROY AK47 RAIL TOP GAS TUBE BLK
$128.99
Add to Cart
(0)
SHARPS 365 X MACRO PISTOL KIT BLK
$1131.99
Add to Cart
(0)
SPIKE'S M4 UPPER FORGED FT MULTICAL
$103.99
Add to Cart
(0)
SPIKE'S BILLET UPPER GEN2 MILSPEC
$240.99
Add to Cart
(0)
SPIKE'S FLAT TOP UPPER 9MM BLK
$103.99
Add to Cart
(0)
SOLGW E INDIA KIT V2 5.56 13.7" BLK
$476.99
Add to Cart
(0)
SOLGW M4-EXO3 13.7" 5.56 URG
$816.99
Add to Cart
(0)
SOLGW E INDIA KIT V2 5.56 16" BLK
$476.99
Add to Cart
(0)
SOLGW L89 BS V2 5.56 13.7" HUX BLK
$1309.99
Add to Cart
(0)
SOLGW L89 BS V2 5.56 13.7" NOX BLK
$1309.99
Add to Cart
(0)
SOLGW L89 V2 5.56 13.7" NOX BLK
$952.99
Add to Cart
(0)
SOLGW PATROL SL 16" 5.56 FSB URG
$665.99
Add to Cart
(0)
SPIKE'S 556 UPPER 14.5"PB RAIL/DYN
$905.99
Add to Cart
1
2
…
15
16
17
18
19
20