Description
RUGER PRECISION® RIMFIRE
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Molded, one-piece chassis and adjustable buttstock assembly are manufactured with glass-filled nylon for strength, stiffness and stability, making a solid foundation for accuracy each and every shot. Adjustable buttstock features a flat Picatinny bag rider making it easy to affix a rear monopod. A molded-in window provides a tether point for your squeeze bag, and a metal QD pocket makes it easy to secure a sling
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Quick-Fit adjustable Precision Rimfire stock allows length of pull and comb height to be quickly and easily adjusted to get proper fit over a wide range of shooter sizes, outerwear and shooting positions. Indicating marks molded into the chassis help you quickly return to a previous position.
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Big-Gun bolt throw adjustment enables shooters to change from a rimfire 1-1/2” bolt throw to a short-action centerfire 3” bolt throw, reducing the chance of short-stroking your bolt in competition.
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Ruger Marksman Adjustable™ trigger has a pull weight range of 2.25 to 5.0 pounds; adjusting wrench is stored in a buttstock compartment.
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Ruger’s own AR-Pattern pistol grip and safety selector incorporates an extended reach for maximum control and access to the 45 degree, reversible safety selector. May be configured with most AR-style grips and selectors.
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Anodized Picatinny scope base includes 30 MOA elevation for increased long-range capabilities out of the box.
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Oversized bolt handle for positive bolt manipulation (same as the Ruger Precision Rifle®).
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15″ free-float handguard is made of hard black anodized aluminum and features Magpul® M-LOK® slots on all four sides, for improved scope clearance and easy mounting of M-LOK-compatible rails and accessories.
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18″ target barrel is cold hammer-forged from 1137 alloy steel to create ultra precise rifling for excellent accuracy. Barrels can be replaced easily by a competent gunsmith using AR-style wrenches and headspace gauges.
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Threaded barrel (1/2″-28) for standard muzzle accessories, like the Silent-SR® suppressor, comes with a factory-installed thread protector covering both the threads and crown.
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Accepts all 10/22® magazines.
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Also includes: one, 15-round BX-15® magazine.
SPECIFICATIONS
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MODEL |
8400 |
|
CALIBER |
22 LR |
|
CAPACITY |
15 |
|
STOCK |
Quick-Fit Precision Rimfire Adjustable |
|
HANDGUARD |
Free-Float Magpul® M-LOK® Aluminum |
|
BARREL |
Threaded Cold Hammer-Forged 1137 Alloy Steel |
|
HANDGUARD FINISH |
Hard Black Anodized |
|
BARREL LENGTH |
18” |
|
THREAD PATTERN |
1/2″-28 |
|
WEIGHT |
6.8 lb. |
|
OVERALL LENGTH |
35.13″ – 38.63″ |
|
LENGTH OF PULL |
12″ – 15.50″ |
|
TWIST |
1:16″ RH |
|
GROOVES |
6 |
|
GRIP |
AR-Pattern |
|
SIGHTS |
None-Rail Installed |
Specifications
| Action | Bolt |
|---|---|
| Caliber | 22 LR |
| Barrel length | 18″ |
| Capacity | 15+1 |
| Trigger | Ruger Marksman Adjustable |
| Safety | Manual |
| Oal | 35.13″-38.63″ |
| Weight | 6.80 lbs |
| Stock description | Adjustable Quick-Fit Precision w/One-Piece Chassis |
| Metal finish | Black Hardcoat Anodized |
| Muzzle | Threaded |
| Receiver material | Aluminum |
| Sights | None, Optic Ready |
| Barrel description | 4140 Steel |
| Twist | 1:16″ |
| Barrel length range | 18.00″ to 18.99″ |
| Weight range | 6.00 lbs to 6.99 lbs |
| Hand | Right |
| Stock finish group | Black |
| Metal finish group | Blued/Black |





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