When .223/5.56 started going for $.70 per round, if you could even find it, I decided to get creative and build an AR-47 chambered in 7.62x39. These are my new Joe Biden Tribute Builds, which means they were constructed out of whatever I could find in-stock at a price I was willing to pay. The first is a Bear Creek Arsenal 7.62x39 Upper on a PSA Stealth lower. The second is a Bear Creek Arsenal 7.62x39 side-charging upper on a PSA Magpul ACS-L EPT lower. Both were bought, shipped, and built for about as much as a single Ruger AR556 or S&W M&P 15 Sport II goes for on Gunbroker.
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...And here's why I did it. Both boxes were purchased straight off-the-shelf for $149.99 each, which comes out to $0.32 per round after tax with no shipping costs needed. Academy would've let me buy three boxes, but that was a little over my budget and way too heavy to haul through the store without a cart. The fact that the ammo is still widely available on the shelf at a reasonable price makes the builds worthwhile.
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