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jason's Review of Guntec USA AR 9mm Buffer
I tried this and the FM heavy bolt with 308 flat wire spring and neither one of them had any effect on reliability for the PSA Department of energy 9 mm pistol. My next plan is the Maxim roller delayed blowback system. That doesn't work I'm done with it. Don't waste your money on either one of these items if you're trying to make a PSA Department of energy 9 mm pistol caliber carbine reliable it will not work
Pros:
- Nice product would probably work in a different application
Cons:
- None
Best Used for:
- Best suited for 10-in Barrel or greater. Will have no effect on anything under 8 in Barrel
Would Recommend:
No
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