4 Crosman Premier HP 7.9 Grain of 2026 For Smooth Cycling

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Crosman 1077 RepeatAir Semi-Automatic CO2-Powered .177-Caliber Pellet Air Gun, Black,

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• ARS Mark

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  8.0
• Brand
  Crosman

Key specs2

Powerplant and Action

Semi-automatic CO2 repeating action

Caliber Compatibility

Fires standard .177 caliber lead pellets. The semi-automatic mechanism cycles each round directly from compatible rotary clips without requiring manual cocking between shots.

Pros & cons32

Pros

• Semi-automatic action fires .177 pellets as fast as you can pull the trigger
• Eliminates manual single-pellet loading between shots for continuous plinking
• Dedicated .177 caliber rifled setup designed specifically for standard pellet shooting

Cons

• CO2 power output is sensitive to cold ambient temperatures and rapid firing cooldown
• Rotary clip capacity and replacement magazines must be verified and purchased separately

2

Crosman 1377 Custom Shoulder Stock

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  -
• Brand
  Crosman

Key specs2

Platform Stability

Provides steady shoulder contact for compact Crosman airguns. Bracing against the shoulder reduces sight wobble when lining up targets compared to unsupported shooting.

Hardware Compatibility

Engineered specifically for Crosman 1377 platforms

Pros & cons32

Pros

• Adds rigid shoulder bracing to stabilize aim compared to hand-held shooting
• Converts compatible Crosman airgun platforms into shoulder-fired carbine configurations
• Factory molded design ensures secure attachment to supported Crosman frames

Cons

• Only fits compatible Crosman pistol platforms and cannot attach to standard rifles
• Mounting hardware requirements should be verified prior to installation

3

Crosman 407T Replacement 10-Round Rotary Magazine (3-Count)

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  -
• Brand
  Crosman

Key specs2

Magazine Capacity

10-shot rotary clip (3-count pack)

Feeding Mechanism

Each circular clip holds ten .177 caliber pellets. Pre-loading all three rotary clips allows rapid magazine swaps in compatible repeaters like the Crosman 1077 without stopping to seat individual pellets.

Pros & cons32

Pros

• Three-pack provides thirty pre-loaded shots to minimize shooting interruptions
• 10-round rotary design feeds standard .177 caliber pellets into the chamber
• Direct factory replacement clips maintain proper indexing alignment in the action

Cons

• Requires the host rifle magazine housing to latch into the breech mechanism
• Shallow pellet bays mean overall pellet length must be checked to prevent cycling snags

4

Benjamin RC7710 Marauder/Armada .177-Caliber Auto-Indexing 10-Shot Pellet Magazine

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  -
• Brand
  Benjamin

Key specs2

Caliber Compatibility

Dedicated to .177 caliber ammunition. The internal rotor holds ten standard .177 pellets securely, keeping hollow points aligned with the barrel breech during each bolt stroke.

Rifle Platform Match

Benjamin Marauder and Armada .177 air rifles

Pros & cons32

Pros

• Auto-indexing mechanism rotates the rotor automatically as the rifle action cycles
• Enclosed housing protects seated .177 pellets from shifting or falling out
• 10-shot capacity matches high-precision Marauder and Armada PCP platforms

Cons

• Will not fit Crosman 1077 rifles or standard non-PCP rotary magazine housings
• Spring-loaded loading procedure requires following a specific rotor winding sequence

Last update on 2026-10-12 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Will .177 hollow point pellets cycle properly in 10-round rotary magazines?

Yes, provided the pellets seat flush within the clip chambers and the magazine matches your specific rifle model. Crosman Premier HP 7.9 grain pellets require proper seating depth so the hollow point cavity does not snag on the receiver face during rotation. When loaded correctly into dedicated clips like the Crosman 407T or Benjamin RC7710, .177 pellets index cleanly without binding against the barrel breech. Checking that each pellet skirt sits flush inside the cylinder prevents damaged magazine teeth and misfeeds.

Which rotary magazines match the Crosman 1077 versus Benjamin .177 rifles?

The Crosman 1077 RepeatAir requires the Crosman 407T Replacement 10-Round Rotary Magazine, while Benjamin Marauder and Armada air rifles require the Benjamin RC7710 magazine. These two clip designs are not cross-compatible despite both holding .177-caliber ammunition in a 10-shot configuration. The Benjamin RC7710 is an auto-indexing 10-shot pellet magazine built specifically for Marauder and Armada actions, whereas the Crosman 407T rotary clip functions within the 1077 carrier drive. Always verify your airgun model name on the receiver before ordering spare clips.

How do you add shoulder stability to a compact .177 airgun platform?

Attaching the Crosman 1377 Custom Shoulder Stock converts compatible compact airguns into a steady, shoulder-mounted carbine setup. Adding rigid shoulder support stabilizes your sight alignment, helping you place .177 hollow point pellets accurately on target during backyard plinking or pest management. The stock provides a solid anchor point that minimizes muzzle wobble before and during the shot. Check that your specific airgun handle frame accepts the factory shoulder stock attachment points before installation.

What action type and power source does the Crosman 1077 RepeatAir use?

The Crosman 1077 RepeatAir is a semi-automatic CO2-powered .177-caliber pellet air gun. It uses standard CO2 power to cycle shots rapidly without manual cocking between trigger pulls, serving as a nimble setup alongside a tactical air rifle for dynamic target shooting. Each trigger pull advances the internal rotary mechanism to fire the loaded .177 pellet directly from the clip. Keeping fresh CO2 installed ensures sufficient pressure so the rotary clip advances smoothly on every pull.

Can the Benjamin RC7710 auto-indexing magazine work in other .177 air rifles?

No, the Benjamin RC7710 auto-indexing 10-shot pellet magazine is engineered strictly for Benjamin Marauder and Armada .177-caliber platforms. Attempting to fit it into different repeaters or a dedicated CO2 BB gun will jam the breech and risk damaging the internal indexing spring. The internal rotor depends on the exact bolt stroke of Marauder and Armada rifles to advance each pellet into alignment. Confirm your rifle action is explicitly listed as Marauder or Armada before buying.

How many clips are included in the Crosman 407T magazine package?

The Crosman 407T comes as a 3-count pack of replacement 10-round rotary magazines. Having three individual 10-round clips allows you to pre-load 30 rounds of .177 hollow point pellets before a shooting session, minimizing downtime at the firing line. Because these rotary clips drop directly into the Crosman 1077 magazine clip holder, rotating through pre-loaded clips prevents wear on individual indexing notches.