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The TacFire SSPK45ACPLPK is a near-complete AR pistol build kit chambered in .45 ACP, built around a 7.5-inch nitride-treated steel barrel and a Glock-compatible bolt carrier group. Instead of piecing together an upper and a pile of small parts from a dozen different sources, you get the barrel, upper, BCG, handguard, muzzle device, buffer system, and a full lower parts kit in one box. Pair it with a dedicated .45 ACP lower cut for Glock mags and you've got a compact, hard-thumping pistol-caliber blaster ready to go.
The heart of the kit is that 7.5-inch .45 ACP barrel finished in black nitride, capped with a 5/8×24 birdcage flash hider and crush washer. Over the top sits an ultra-slim 7-inch clamp-on M-LOK free float handguard, giving you plenty of real estate for a light, hand stop, or optic mount without adding bulk. The stripped billet upper is machined with M4 feed ramps and works with standard AR-15 controls, and the kit rounds out with a mil-spec aluminum charging handle with steel latch, dust cover, and forward assist.
This build uses a blowback operating system rather than a gas tube and block, which is exactly what you want in a pistol-caliber AR. Fewer moving parts, dead-simple reliability, and easy cleaning. The included Glock-pattern BCG feeds from common Glock .45 ACP magazines when matched with the right lower, so mags are cheap and easy to find. The .45 ACP itself is a classic for a reason, throwing a big, slow bullet that's a blast to shoot at the range.
You'll supply the lower receiver and a set of .45 ACP magazines to complete the pistol. The kit ships with the pistol buffer tube, foam cover, spring, heavy buffer, castle nut, end plate, USA-made lower parts kit, and an A2-style pistol grip, so the assembly parts are handled. A few basic tools and an afternoon are all it takes to turn this into a finished shooter.
You'll need a lower receiver and .45 ACP magazines to complete the pistol. Because this runs a Glock-pattern bolt carrier group, plan on a dedicated .45 ACP lower with a magwell cut for Glock mags so everything feeds correctly. The kit itself covers the upper, barrel, BCG, buffer system, and lower parts kit.
The included bolt carrier group is Glock-pattern, so it's designed to feed from Glock .45 ACP magazines when paired with a matching lower. Glock mags are widely available and affordable, which is one of the nice perks of this style of build. Just make sure your lower is cut for Glock-pattern mags rather than a Colt or M&P pattern.
No, it runs on a simple blowback operating system, which is standard for pistol-caliber AR builds. That means no gas tube or gas block to install, fewer parts to fuss with, and easy cleaning. It's one of the reasons these .45 ACP builds tend to be so reliable.
With the upper largely handled and a complete lower parts kit included, most of the work is installing the lower parts kit into your receiver and mounting the buffer tube assembly. A few basic AR tools and an afternoon will usually get you there. If you've built an AR before, this is a familiar process, and it's a great first build for anyone learning the platform.
| UPC | 745559515093 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SSPK45ACPLPK |
| Action | |
| Model | |
| Thread Pattern | 5/8"x24 |
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