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The Rock River Arms (RRA) LAR-BT9G 9X19mm series is a trio of matte black 9x19mm semi-automatic pistols built around 4.5”, 7” and 10.5” chrome lined barrels, aluminum receivers, flash hiders, two stage triggers, sophisticated handguards and more!

These designs utilize an extruded aluminum A4 upper receiver that is topped by a full-length MIL-STD-1913 Picatinny rail. This mates to a billet aluminum LAR-BT9G lower receiver. It has an integrated Glock-compatible flared magwell to work neatly with your Glock mags.

All LAR-BT9Gs have a matte black RRA lightweight aluminum free-float M-LOK compatible handguard. Underneath this one, you get a short by nicely usable Low Pro M-LOK Compatible Handstop. The 4.5” chrome-lined chrome moly barrel gun has a 1:10” twist ratio and a full auto chamber. In front, the gun has a pronged Smith Vortex flash suppressor nicely fastened via a 1/2"–36 TPI thread. There is a set of black polymer RRA NSP flip up front and rear sights on the front of the handguard and the back of the receiver respectively.

At rear, you have the captivating SB Tactical SBA3 Stabilizing Arm Brace. This minimal and lightweight stabilizing brace has a lever to easily adjust it to five different length-of-pull settings that make it 6.75", 7.6", 8.25", 8.75" or even 9.5" long. This Made in USA component cleverly integrates an ambidextrous QD sling socket and has an adjustable nylon strap. The carbine receiver extension is lightweight but strong 7075 T6 aluminum. The entire brace weighs 6.75 ounces and is 1.8” wide.

Moving down, you have an oversized for winter gloves RRA winter trigger guard. Framed inside it is an RRA two-stage trigger. Anchored below is a Hogue rubber grip with nice texturing and three crescent finger grooves. The 4.5” barrel model is 23.5” overall with its arm brace fully extended, and it comes with a Glock-compatible magazine.

Next is the 7” barrel version. It lacks the 4.5” barrel model’s handstop and flip up sights. The handguard is 6” and to nicely echo the longer barrel. And it has a A2-type birdcage flash hider. It is 26” overall and weight is 5.4 pounds. It’s otherwise the same as above.

Third is the 10.5” barrel version. It’s just like the 7” barrel version but with a longer barrel, a 9.25” length handguard, 29.5” fully extended overall length and a 6.0 weight.

RRA is based in Colona, Illinois and makes many key components inhouse. These guns are Made in USA.

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