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RTAC RT15 223/5.56 NATO 16" 30+1 Lightweight Black

RATTLESNAKE TACTICAL GEAR
22 Reviews
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In stock

SKU
RT15-POLY-556C-AD
Regular Price:
$574.99
Special Price:
$308.99

Product Details

The RT-15 features an advanced metal-reinforced polymer upper receiver, paired with RTAC's poly lower for a reliable and extremely lightweight rifle.

The polymer lower on this RT-15 is rugged and light, making it the perfect rifle foundation. A lighter rifle makes handling and aiming easier for any and all shooters regardless of experience level.

With a full magazine loaded, optics, lights, and muzzle device, custom AR-15s can become excessively front-heavy. Get ahead of that problem with the lightweight receiver set in this RT-15!

  • Metal-reinforced polymer upper receiver, lightweight and tough
  • 1:8 twist barrel
  • Lightweight 10" M-LOK handguard
  • Full Bolt Carrier Group and charging handle
  • Polymer lower w/ oversized trigger-guard
  • 6-position collapsible stock
  • Magpul PMAG

When you aim and fire your RT-15, the major difference you will notice will be the ease of holding the weapon out and level due to the weight savings. This advantage is critical when taking precision shots from a standing position.

The lightweight RT-15 provides a reduction in sight picture sway and an increase in the duration of time that you can maintain sight picture on target, as your shoulders and arms will not fatigue as quickly compared to using other, heavier, 16" barrel AR-15s.

This allows more range time, and more precise shots on target before losing that edge. The RT-15 is an easy-to-use and reliable rifle that is fit for the beginner or the advanced AR-15 collector looking for something new. 

Out of the box, this rifle can be loaded up and equipped with your favorite irons or optics, and taken to the range. Ships with an included 30-round Magpul PMAG magazine, Cable-lock for storage, and a manual. 

Make sure to add some additional AR-15 magazines to your order, you can never have too many!

Searching for .223/5.56 ammunition? Score big savings and fast shipping when you shop our online selection of cheap 223/5.56 ammo from the top brands you know and trust.

This polymer lower does not need to have its castle nuts tightened, torqued, or staked, as it is factory torqued with blue Loctite and will not come loose. 

More Information

Category Rifle
Condition New
UPC RT15-POLY-556C
Manufacturer Rattlesnake Tactical
Manufacturer SKU RT15-POLY-556C
Model RT15-POLY-556C
Caliber 223/5.56
Capacity 30
Barrel Length 16"
Color Black
Handgun or Long Gun Long Gun
Action Semi-Auto
Twist 1:8 twist barrel
Rail M-Lok 10"
Stock Type Adjustable
Restrictions State restrictions do not allow shipping of this product to WA

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Reviews (22)

4.9
star star star star
22 Reviews
82% of customers
recommend this product
5 stars
18 (100%)
4 stars
0 (0%)
3 stars
0 (0%)
2 stars
0 (0%)
1 star
0 (0%)
You're reviewing:
RTAC RT15 223/5.56 NATO 16" 30+1 Lightweight Black
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Featured review(s)
Tricky Rick
Apr 23, 2025
Verified Buyer
I recommend this product
Look past the poly. This, at least for me, has bee...
star star star star star
Look past the poly. This, at least for me, has been nothing but reliable. I have put over a thousand rounds down range in 2 different trips to the range. Absolutely no issues period. All I have done is put a 2 Moa red dot on it. After heating up I have had no issues with losing zero. Looking at maybe getting another.
Gary
Sep 11, 2025
Verified Buyer
I recommend this product
..trigger pull is perfect ............
star star star star star
It's not real heavy, but it's heavier than I expected. It seems well made. The trigger is a bit narrow, and I like them broad. Here's the great part -- the trigger pull is just about perfect and I'm sure it'll get even smoother with use or lubing.
DG
Jun 30, 2025
Verified Buyer
I recommend this product
This gun is a steal! They have excellent trigg.......
star star star star star
This gun is a steal! They have excellent triggers and shoot just fine. Forget about it being polymer because that's a non-issue.

Customer Reviews

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Helpfulness
Andrew
Oct 27, 2025
Verified Buyer
I recommend this product
I'm going to buy a couple more
Advantages
Bought 1,put a laser on it for my gf, weighs a feather, I've put about 500 rounds, cycles .223 Rem 55 Grain Full Metal Jacket and PMC X-TAC 5.56 NATO 62 Gr Green Tip LAP fine
Disadvantages
None
Comment
I'm going to buy a couple more
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SlotCar
Oct 8, 2025
Verified Buyer
I recommend this product
Fun rifle, good price.
Advantages
Good price and good accuracy. It's good as it is, and it's an excellent platform for customizing. This rifle isn't heavy, but it's heavier than I thought it would be.
Disadvantages
No disadvantages come to mind
Comment
I'm glad I bought it.
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Bob
Oct 7, 2025
Verified Buyer
Not a fan of the polymer FCG. It has a good feelin...
Advantages
Price
Disadvantages
Polymer FCG
Comment
Not a fan of the polymer FCG. It has a good feeling pull, but I don't see a cheaply made polymer FCG lasting to long. The polymer upper and lower are good.
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Gary
Sep 15, 2025
Verified Buyer
I recommend this product
N...i...c...e... ...r...i...f...l...e...
Advantages
I really like the trigger feel. For so many vinyl or polymer parts in the receiver, it feels good. It's not heavy, but it is heavier than I expected. Pretty nice quality and feel overall.
Disadvantages
The upper and lower had a little bit of play, maybe 1/64th of an inch. A thin strip of duct tape over the edge of the mag well fixed it and is actually holding.
Comment
I'm very pleased with this AR and amazed at the trigger feel in an AR of this price.
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Gary
Sep 11, 2025
Verified Buyer
I recommend this product
..trigger pull is perfect ............
Advantages
Wow! What a trigger!
Disadvantages
Well, I always like it when there are sling mounting points installed, but it's not a big deal to add them. A little padding on the end of the stock would've been nice, but I may have something hanging around that I can use. An extra inch of length on the stock would've been nice, too. This is all nit-picky stuff.
Comment
It's not real heavy, but it's heavier than I expected. It seems well made. The trigger is a bit narrow, and I like them broad. Here's the great part -- the trigger pull is just about perfect and I'm sure it'll get even smoother with use or lubing.
A real photo of RTAC RT15 223/5.56 NATO 16" 30+1 Lightweight Black by Gary (1)
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Cheapskate
Aug 16, 2025
Verified Buyer
I recommend this product
Great value rifle
Advantages
Great value rifle
Disadvantages
It would be nice if they put safe and fire on both sides.
Comment
Saw this and thought, ”Now I can be like the cool kids when we go shooting at my buddy’s property.” Shot several hundred rounds and without any issues. It performed exactly as it should and no different than any of the other guy’s guns.
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DG
Jun 30, 2025
Verified Buyer
I recommend this product
This gun is a steal! They have excellent trigg.......
Advantages
Lightweight, shoots great, great trigger.. price is unreal for such a nice gun!
Disadvantages
Absolutely Zero
Comment
This gun is a steal! They have excellent triggers and shoot just fine. Forget about it being polymer because that's a non-issue.
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Double C
Jun 26, 2025
Verified Buyer
I recommend this product
I bought a couple of these, su...
Advantages
Lightweight with good trigger feel.
Comment
I bought a couple of these, sure you can buy nicer rifles but you won’t gain much over this one without spending considerably more.
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Chris
Apr 26, 2025
I recommend this product
I ordered 7 of these and they work awesome! Put mo...
I ordered 7 of these and they work awesome! Put most of my coworkers on them as well!
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Tricky Rick
Apr 23, 2025
Verified Buyer
I recommend this product
Look past the poly. This, at least for me, has bee...
Advantages
Lite weight, fits me to a T.
Disadvantages
None worth mentioning
Comment
Look past the poly. This, at least for me, has been nothing but reliable. I have put over a thousand rounds down range in 2 different trips to the range. Absolutely no issues period. All I have done is put a 2 Moa red dot on it. After heating up I have had no issues with losing zero. Looking at maybe getting another.
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California Prop 65 Warning  WARNING for California Residents WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm, and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposure. For more information go to www.p65warnings.ca.gov/.