Rock Island Armory 51577 BBR Compact 45 ACP 10+1, 3.10" - 10+1 Rounds | 3.1" Barrel | Composite Grips | Blue/Black
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The BBR Series 3.10 is Rock Island's smallest, lightest 45ACP handgun. With its 10+1 capacity, this compact sidearm comes with an unbelievable amount of power. A G10 Grip and a comfortable beavertail grip safety provide this compact powerhouse with stability and dependability. Complete with adjustable sights, and a anodized/parkerized finish, the 3.10 is the definite choice for close range, high impact applications.
| Brand | Rock Island |
| Category | Pistols |
| Model | BBR |
| Caliber | 45 ACP |
| Capacity | 10+1 |
| Action | Semi-Auto |
| Frame Finish | Black Parkerized |
| OAL | 6.85" |
| Frame Material | Steel |
| Sight Style | Fixed |
| Slide Finish | Black Parkerized |
| Slide Material | Steel |
| Slide Description | Serrated |
| Barrel Finish | Black |
| Barrel Material | Steel |
| Twist | 1:16" |
| Frame Size | Compact |
| Grips | Black G10 |
| Sight Configuration | Fixed Front / MPS2 Rear |
| Trigger Pull Weight | 5-7 lbs |
| Height | 4.55" |
| Width | 1.50" |
| Barrel Description | Stainless Steel |
| Barrel Length | 3.10" |
| Max Capacity | 10 |
| Trigger | Skeletonized |
| Weight | 3.71 lbs |
| Frame Description | Steel Frame w / Beavertail |
The BBR Series 3.10 is Rock Island's smallest, lightest 45ACP handgun. With its 10+1 capacity, this compact sidearm comes with an unbelievable amount of power. A G10 Grip and a comfortable beavertail grip safety provide this compact powerhouse with stability and dependability. Complete with adjustable sights, and a anodized/parkerized finish, the 3.10 is the definite choice for close range, high impact applications.
| Brand | Rock Island |
| Category | Pistols |
| Model | BBR |
| Caliber | 45 ACP |
| Capacity | 10+1 |
| Action | Semi-Auto |
| Frame Finish | Black Parkerized |
| OAL | 6.85" |
| Frame Material | Steel |
| Sight Style | Fixed |
| Slide Finish | Black Parkerized |
| Slide Material | Steel |
| Slide Description | Serrated |
| Barrel Finish | Black |
| Barrel Material | Steel |
| Twist | 1:16" |
| Frame Size | Compact |
| Grips | Black G10 |
| Sight Configuration | Fixed Front / MPS2 Rear |
| Trigger Pull Weight | 5-7 lbs |
| Height | 4.55" |
| Width | 1.50" |
| Barrel Description | Stainless Steel |
| Barrel Length | 3.10" |
| Max Capacity | 10 |
| Trigger | Skeletonized |
| Weight | 3.71 lbs |
| Frame Description | Steel Frame w / Beavertail |
Current Item
$562.99
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Blue/Black |
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Pistol |
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Semi-Auto |
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45 ACP |
|
3.1 |
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10+1 |
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Thumb Safety |
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Composite |
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Blue/Black |
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Pistol |
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45 ACP |
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Semi-Auto |
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45 ACP |
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3.2 |
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10+1 |
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Thumb Safety |
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Polymer |
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$304.99
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Blue/Black |
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Pistol |
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Semi-Auto |
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45 ACP |
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3.1 |
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7+1 |
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Thumb Safety |
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Polymer |
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Blue/Black |
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Pistol |
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45 ACP |
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4 |
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7+1 |
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Thumb Safety |
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Polymer |
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Pistol |
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Semi-Auto |
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FDE/Tan |
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Pistol |
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Semi-Auto |
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45 ACP |
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4.25 |
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7+1 |
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Composite |
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FDE/Tan |
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Pistol |
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Semi-Auto |
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45 ACP |
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3.4 |
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11+1 |
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Thumb Safety |
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Polymer |
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$899.99
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Blue/Black |
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Pistol |
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Semi-Auto |
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45 ACP |
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3.93 |
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10+1 |
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Blue/Black |
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Pistol |
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Items Like The Rock Island Armory 51577 BBR Compact 45 ACP 10+1, 3.10"
on
05/12/2025
I love my rocks, and this baby is no different. Solid and reliable. I added a 14 round magazine and makes grip perfect for my big hands.
on
04/19/2025
For several years, I have wanted to purchase the BBR 3.10, but was hesitant due to the price. Once Bud's advertised it for a fraction of the original price, I bought it. Bud's delivered to my FFL in 2 days as advertised and the process was super simple. I absolutely love the gun!! I have large hands, so my pinky finger doesn't fit on the butt of the gun. However, the polymer grips and the wide double stack mag frame fit comfortably in my hand. It's a little heavy for a CCW, but it still can be used as one. As others have stated, the 10 round is difficult to get into the magazine, so I only put 9 in. Great gun and received on time.
on
10/14/2024
As a fan of 45acp 1911s the BBR 3.10 (Baby Rock) is a Gun I yearned after for quite a while. Finally receiving it I can only say it is one of the most beautiful guns in my collection. This mini powerhouse is right up my alley,and holding 10 rounds of 45acp I can spend more time shooting at the range, with less time reloading. For 1911 fans this guns a treat.If 45 cal is your thing, you should check it out.
on
07/22/2024
Love my baby rock. Very smooth trigger pull and even though I'm considered a small guy the recoil is very manageable. The only drawback is the pinky hang but you can swap out the magazine plate with one that will help with the overhang.
on
04/06/2024
I purchased this Lil chunky monkey to add to my rotation. It is awesome. As small as it is I was expecting a lot more recoil. Between it's hefty weight and inline ports, the recoil is tamed nicely. It's a well built piece.
on
10/27/2023
I carry this every day shoot great very accurate and good price at buds and fast shipping
on
08/01/2023
Excellent little gun. Less recoil than a micro 9mm.
on
07/11/2023
My first RIA was the 22TCM combo, and fitted the extractor and shoots 22tcm, 9mm, and 38super with no problems whatsoever. The BBR 3.10 is also no disappointment. Bought 3 14 rd mags for the warthog. With minimal effort fitted them to the BBR. Now I have a better grip and hit everything I aim at. Thanks Buds, for the great transactions and prices.
on
07/04/2023
I have had a few rock island pistols and like them all this one is definitely different and isn't made to be carried. It's pretty heavy and I had to purchase something to add to the magazines that I purchased to add a little more length to them. All in all I'm happy with another RIA 😁
on
07/02/2023
Pistol is a little fat but very fun to shoot.
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