Description
The AR57 ULT Complete Upper Assembly, chambered in 5.7x28mm with a 12" lightweight barrel and M-LOK rails transforms any AR-15 lower into a 5.7x28 firearm. Featuring a unique top-loading design that ejects downward through the AR-15 mag well, this lightweight upper features a stronger, lighter rail with a melonite black coating. The steel barrel, muzzle brake, bolt carrier group, buffer, and screws are integrated into an alloy monobloc receiver for durability. The 8620 alloy bolt provides reliable performance. This upper includes an ultra-lightweight barrel, proprietary buffer, ambidextrous magazine release, reversible charging handle, M-LOK handguard, and a 50-round magazine.
Features:
- 5.7x28mm with 12" lightweight barrel and M-LOK rails
- Converts any AR-15 lower to shoot 5.7x28 ammo
- Top-loading design with downward ejection through AR-15 mag well
- Strengthened, lighter rail with melonite black coating
- Steel barrel, muzzle brake, bolt carrier group, buffer, and screws integrated into alloy monobloc receiver
- 8620 alloy bolt
- Efficient ejection of spent rounds through lower's magazine well
Specifications
Barrel Length: 12
Brand: Panzer Arms
Caliber Gauge: 5.7X28mm
Color: Black
Finish: Melonite
Handguard: M-LOK
MPN#: AR57ULT-12
Live Inventory Search
Compare prices for 051497388553 - Panzer Arms AR57 ULT Upper Assembly, 5.7x28, 12" Barrel 5.7x28mm AR57ULT-12 from all vendors
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$644.95
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9.95 | |||
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$645.00
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no info | |||
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$645.94
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Calculated at Checkout. $3.50-$12.99 handling fee. Extra 2% Cash Discount Available via Zelle/Apple Pay, No Tax outside Texas | |||
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$649.99
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Calculated in Cart | |||
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$659.24
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$20 guns, $15 acc., over $500 ships free. No tax outside AR. | |||
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$661.45
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$13.99 Shipping | |||
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$664.00
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20.00 | |||
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$680.90
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Calculated in Cart | |||
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$684.99
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Shipping calculated in cart | No sales tax outside of VA | No CC fee | |||
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$687.10
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Free shipping over $400 (Excludes Ammo) | |||
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$693.28
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19.95 | |||
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$711.85
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Most Firearms ship for FREE | |||
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$728.00
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19.95 | |||
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$728.93
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$19.99 | |||
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$728.99
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Low Shipping | |||
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$745.78
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12.00 | |||
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$773.75
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19.99 | |||
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$773.95
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$9.95 shipping on Firearms, No CC Fees | |||
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$804.70
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No shipping charge for orders over over $75 | |||
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$899.99
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$19.99 Firearms, $10.68 Everything else | |||
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$928.50
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10.00 | |||
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Out Of Stock
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$711.85
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$9.99 | |||
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$835.99
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8.95 |
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Customer reviews
Reviews
Comments (4)
I owned one, and found it to be reliable, but overpriced. It is built with marginal quality, and there is no manufacturer support (from Turkey). The Ruger LC is a better choice.
Bad QC issues, mine had ridiculously oversized takeown pin holes. Avoid if you care about replacement parts, they're non-existent.

Is this the same one that Anderson is selling for $800 as a full rifle? There site isn't super detailed but the marking on the upper looks the same.
https://andersonmanufacturing.us.com/product/anderson-manufacturing-am-15-4/...