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Olympic Arms K3BM4A3TC AR-15 5.56 NATO Semi Auto Rifle, 16" Barrel 30 Rounds

Olympic Arms
Ships from Warehouse 1
Typically ships within 1 to 2 business days when a valid FFL is received
  • All firearm sales are final. NO RETURNS.
  • Return to manufacturer for warranty service.
  • Actual buyer must pickup from FFL dealer who will conduct the background check. Learn more
  • Firearm transfer must be the actual transferee/buyer. Click here to see BATFE form "Transaction Record Part 1".
  • Firearms are only available for purchase online.
Shipping is only $10.00 on firearm orders! No additional shipping cost for more guns on this order.
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  • Purchasing a Firearm Online
If you're looking for an adaptable, reliable and affordable rifle, the Olympic Arms K3BM4A3TC Semi Auto Rifles should be at the top of your list. With high-quality features, the forged receivers and an M4 type six position stock, this rifle is a perfect choice for a lightweight AR-15. The 4140 Chromoly steel barrel is 16" long, with an attached flash hider. The rifle is optics ready with a flat top receiver and a removable carry handle so you can install any optic you desire or keep it old school and just use the original iron sights.

The Olympic Arms K3BM4A3-TC M4 AR-15 Carbine has an impressive list of features including forged receivers, A3 flat top upper receiver with removable carry handle and rear sight, free floating quad rail handguard, M4 profile 16" barrel, 6-position M4 stock, bayonet lug, and a flash hider. The rifle includes one 30 round mag, sling, and hard case. Lifetime warranty!

Specification and Features:
Olympic Arms M4 Tactical semi automatic carbine
5.56 NATO caliber (will accept .223 Remington)
16" M4, button-rifled, 416 stainless steel barrel
1x9 twist rate
30 round capacity
Gas-operated, semi-automatic action
7075 T6 aluminum forged receivers
Black matte anodized receivers, parkerized steel parts
Flat top upper with Picatinny rails and detachable carry handle
Elevation adjustable post with bayonet lug front sight
Free floating FIRSH handguard with Picatinny rails
A2 flash suppressor
M4 fiberite 6-point collapsible stock
31.75" overall length
Weighs 6.77 pounds

Buying a Firearm Online is Easy!
  • Add your selected firearm(s) to your shopping cart and check out.
  • Select a local Federal Firearms Licensed (FFL) Dealer that will accept the firearm and complete the transfer. Find a FFL Dealer HERE.
  • If you choose an FFL Dealer that is not on our preferred list, you or your FFL Dealer will be required to fax or email us a signed copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number.
  • Pick up your firearm from the FFL Dealer, who will need to do a background check. Transfer fees may apply.
Buying Firearms on the Internet

Federal law requires firearms to be shipped to FFL Dealers. For an individual to receive a firearm from Cheaper Than Dirt! it must be shipped to an FFL Dealer in your state.

Locating a Federal-Firearm License Dealer (FFL) in Your Area

There are thousands of FFL Dealers in the United States. You may choose an FFL Dealer from our preferred listing or you may find a dealer in your area. To find a list of FFL Dealers in your area area CLICK HERE. If you choose a dealer that is not on our preferred list, either you or the FFL Dealer will be required to submit a copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. The FFL Dealer will usually charge a fee to conduct the transfer. There are duties that the FFL Dealer is required to do during the process which include a background check. Remember, the FFL Dealer is doing you a favor and the process takes time to complete. Fees can vary so check with the FFL Dealer ahead of time to request a quote on the fees associated with your firearm transfer. The FFL Dealer is in business to make a profit and your internet purchase may be viewed as competition to their retail business. If you feel the fees are too high, you can search for another FFL Dealer.

Completing the Transaction

Once you place the firearm in your cart and checkout you will receive a confirmation email that has your order number and further instructions. We will verify the FFL license and also make the FFL Dealer aware that an order from Cheaper Than Dirt! will soon be arriving for you. Most orders are processed within 2-3 business days from the time we receive and verify the FFL Dealers information. Once shipped, your firearm will arrive at the FFL Dealer within 3-7 days business days. The FFL Dealer will begin processing the shipment. It may be an additional day or so before the FFL Dealer is ready to conduct the transfer of the firearm to you. Call the FFL Dealer and set an appointment to confirm that the firearm is ready to be transferred.

Please note! All Firearm Sales are Final

It is important to thoroughly inspect your firearm before completion of the transfer. Once the firearm is transferred into your name, Cheaper Than Dirt! will not accept a return or exchange under any circumstance. If a defect is discovered after completing the transfer, you must contact the manufacturer directly for repair or replacement.

Total number of Reviews: 1

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5.0 5
"Very nice gun. I picked this gun over all the rest, and I'm very happy with my decision. Any one looking for a high grade Ar-15 should give this gun a hard look."