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Buy Guns & Gun Parts Online

RedBarnArmory.com is an online gun store specializing in AR15 parts and accessories, handguns, shotguns, rifles, USA manufactured magazines, ammunition, and more.

Shop our online store for the best parts and firearms from reputable manufacturers including:

  • Glock
  • Smith & Wesson
  • Sig Sauer
  • FN Herstal
  • Springfield Armory
  • Remingtonl
  • IWI Tavor
  • Ruger
  • Magpul
  • Fortis Mfg
  • Phase 5
  • KNS Precision
  • Radical Firearms
  • Tac-Con
  • Spike's Tactical and more!

FREE SHIPPING with orders over $99*




Radical Firearms 7.5" 5.56 M4 Pistol Upper Assembly Red Barn Armory Build your own AR 15 LPK
Remington 870 Express Tactical 12 Gauge Shotgun 18.5"
List Price: $600.52
Our Price: $549.95
Sale Price: $499.95
In Stock
Sig Tac SB15 Pistol Brace FDE Red Barn Armory.com Gift Card RBA 16" AR15 5.56 M4 Barrel- QPQ 1-7 Twist BONUS
Red Barn Armory Gift Card
Our Price: $0.01
In Stock
(2)
RBA 16" AR15 5.56 M4 Carbine Barrel 1-7 Twist PLUS Free Gas Tube & Gas Block
List Price: $199.85
Our Price: $159.95
Sale Price: $89.99
In Stock
(3)
Phase 5 Tactical Pistol Buffer Tube Assembly AR15 Upper Builder's Kit - 7.5" Pistol RBA AR-15 Complete Lower Parts Kit
Phase 5 Tactical Pistol Buffer Tube Assembly
Our Price: $64.95
In Stock
(10)
RBA AR15 Upper Builder's Kit - 7.5" Pistol (Free Shipping)
List Price: $299.95
Our Price: $199.99
In Stock
(6)
RBA AR-15 Complete Lower Parts Kit (LPK)
List Price: $74.95
Our Price: $59.95
Sale Price: $46.95
(Out of Stock)
(4)
Whether you’re looking for gun parts, handguns, shotguns, AR’s, or bullpup rifles, Red Barn Armory can help.  When you buy firearms or gun parts online at Red Barn Armory, we’re always here to answer any questions you have to ensure that you get the parts or firearms that work for you. So if you have any questions, give us a call at 281-798-9919.  With us, it’s easy to buy guns online at reasonable prices, and we offer perks like FREE shipping on orders over $99!  Shop and save on gun parts and accessories for your AR15 rifles and other firearms today!