Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Lapco Paintball

Products

Products

Lapco Paintball

AutoCocker Breech Sizers

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$24.99

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Purchase at Lapco Paintball

Description

Prevents Barrel Roll-Out in closed bolt markers, like Autocockers and Cocker Pumps.
The Breech Sizer will center the ball, ensuring an even cushion of air around the ball before it enters the control bore of the barrel. This produces optima...

Delivery & Returns

Visit Lapco Paintball for full shipping details

Shipping calculated at checkout

Lapco Paintball

4.9 (32)

You might also like

Lapco Paintball

Nubbin, Rubber, Ball Detent, FIRST STRIKE / Tiberius 4pk

Power Tube for Nelson based markers

Lapco Paintball

Power Tube for Nelson based markers

CRBN

ZERO PRO GRAPHITE

(7)

Nova Paintball

Autococker Timing Rod and Collar

Nova Paintball

Thumper Elevation Sight - TES

65% off

I&I Sports Supply Co., Inc.

KAPP Autococker Palmers Rock LPR Adjustment Knob ASSORTED COLOR

Lapco Paintball

XL Insert Adapter - FSC/T15 Freak Insert barrel extender

(1)

CRBN

CUSTOM BARREL SLEEVE

AutoCocker Pump Rod

Lapco Paintball

AutoCocker Pump Rod

AutoCocker 10-Inch .687 BigShot

Lapco Paintball

AutoCocker 10-Inch .687 BigShot

Virtuepb.com | Built to Win USA

Virtuepb.com | Built to Win USA

Virtuepb.com | Built to Win USA

4.8

(7.2K)

WGP Autococker 2K+ Low-Pressure Hammer and Valve Spring Kit

23% off

Adrenaline Paintball & Airsoft

WGP Autococker 2K+ Low-Pressure Hammer and Valve Spring Kit (GG06-22)

CRBN

GS REPLACEMENT FOAM - OPEN CELL

HK Army Clothing

Paintball Sizer Guide - Gold

(7)

AutoCocker 10-Inch BigShot Assault

Lapco Paintball

AutoCocker 10-Inch BigShot Assault

(1)

Dishka Thunder Tip

Lapco Paintball

Dishka Thunder Tip

Lapco Paintball

Universal Fake Suppressor

CRBN

CUSTOM GOGGLE BAG

Nova Paintball

Nova Roller Sear

(1)

AutoCocker Cocking Knob

Lapco Paintball

AutoCocker Cocking Knob

MCS

MCS

4.9

(1.5K)

A5/X7 14-Inch BigShot

Lapco Paintball

A5/X7 14-Inch BigShot

CRBN

GS-F GOGGLE OLIVE

Nova Paintball

MACRO LINE FITTING

Spyder Barrel to Shocker Adapter (Pre 2007)

Lapco Paintball

Spyder Barrel to Shocker Adapter (Pre 2007)

MG100/Cocker Threaded Rifled Barrel .683 bore

Lapco Paintball

CKR-R3-14, EMF100-Dye Dam/ Cocker Rifled 15" .683, BigShot Assault

TiPX Stainless Steel Hardware Kit

Lapco Paintball

TiPX Stainless Steel Hardware Kit

CRBN

GS-F GOGGLE BLUE

CKR-R6-8, EMF100, Cocker Rifled 8" .686, BigShot Assault

Lapco Paintball

CKR-R6-8, EMF100, Cocker Rifled 8" .686, BigShot Assault

AutoCocker BigShot Assault – .69

Exclusive offer available

HR Tactical Innovations

LAPCO Autococker BigShot Assault Barrel

CRBN

4.9

(1K)

Lapco Paintball

First Strike T15 Freak 2-Piece Barrel System

Nova Paintball

Nova Twin Spool Trigger Valve

Nova Paintball

.684 Inner Barrel Sleeve for Reciprocating Barrel

(5)

Ported Fake Suppressor for Assault Barrels

Lapco Paintball

Ported Fake Suppressor

(1)

Nova Paintball

Nova Duck Slide

A5 Flatline 4 Rail Shroud/Hand-guard, 8 Inch

Lapco Paintball

A5 Flatline 4 Rail Shroud/Hand-guard, 8 Inch

CRBN

CUSTOM POD BAG

HK Army Clothing

Paintball Sizer Guide - Purple

(1)

Lapco Paintball

FSC-S6-10, T8.1/T9.1/FSC/XP/TCP SMOOTH 9.625" .687, Demilitarized

Nova Paintball

Brass Trigger Shoe for NX1

(1)

Spyder Barrel to Cocker Adapter

Lapco Paintball

Spyder to Cocker

TiPX/X7 Phenom/M17 14-Inch BigShot Assault

Lapco Paintball

TiPX/X7-Phenom/M17 14-Inch BigShot Assault

AutoCocker 14-Inch BigShot

Lapco Paintball

AutoCocker 14-Inch BigShot

Nova Paintball

14 inch barrel for N1 Supernova

AutoCocker 14-Inch BigShot Assault

Lapco Paintball

AutoCocker 14-Inch BigShot Assault

Cocker Barrel To Indian Creek Adapter

Lapco Paintball

Cocker Barrel To Indian Creek Adapter

Campus commuter gear

Campus commuter gear

Locks, panniers, lights, and rain shells.

Nova Paintball

White Replacement Grip for Single finger trigger models

Nova Paintball

9/16 Autococker Pressure Balanced Valve

(3)

Nova Paintball

Nova LPR

CRBN

ZERO GRX TIE-DYE SMOKE

FSC / T9.1 9 Inch BigShot Assault

Lapco Paintball

FSC / T9.1 9 Inch BigShot Assault

TiPX/X7 Phenom/M17 8-Inch BigShot Assault

Lapco Paintball

TiPX/X7-Phenom/M17 8-Inch BigShot Assault

(1)

Shocker Barrel (Pre-2007) Barrel to Ion/Impulse

Lapco Paintball

Shocker Barrel (Pre-2007) Barrel to Ion/EnMey/Luxe/Impulse

Nova Paintball

N1 Supernova Barrel Shroud Kit - Flat

AutoCocker 16-Inch BigShot Assault

Lapco Paintball

AutoCocker 16-Inch BigShot Assault

FSC-4R3, FSC Rifled 4.25" .683 BigShot (Non-Threaded Tip)

Lapco Paintball

FSC-4R3, FSC Rifled 4.25" .683 BigShot (Non-Threaded Tip)

Lone Wolf Paintball

Shocktech Valve & Hammer Spring Set

(3)

WGP Autococker STO 3-Way Assembly - Red Polished

29% off

Adrenaline Paintball & Airsoft

WGP Autococker STO 3-Way Assembly - Red Polished (GG11-14)

Lapco Paintball

FSC/XP Rifled .686, 6" and 11" Length, BigShot Assault

CRBN

GS REPLACEMENT STRAP

Nova Paintball

Autococker On/Off ASA Bottom Line Adapter (Short Version)

Cocker Mini Vertical ASA Adapter for Electric Guns

Lapco Paintball

Cocker Mini Vertical ASA Adapter for Electric Guns

Lapco Paintball

Remote line adapter for Umarex markers

Universal Plastic Sleeve Kit

Lapco Paintball

Universal Plastic Sleeve Kit

CRBN

CUSTOM CLEAT COVERS

Backyard golf training

Backyard golf training

Practice nets, hitting mats, and putting mats.

Nova Paintball

.679 Inner Barrel Sleeve for Reciprocating Barrel

A5/X7 12-Inch .684 Polished BigShot

Lapco Paintball

A5/X7 12-Inch .684 Polished BigShot

Raptor Cocking Knob (Without O-ring)

Lapco Paintball

Raptor Cocking Knob (Without O-ring)

CRBN

SC PRO GLOVES

(5)

Inception Designs Autococker Timing Rod - Inception Designs

PB Sports LLC

Inception Designs Autococker Timing Rod

T15-R3-8.5, T15 Rifled 9.5" .683, BigShot Assault

Lapco Paintball

T15-R3-8.5, T15 Rifled 9.5" .683, BigShot Assault

Palmers Pursuit Autococker Ram/LPR Hose Barb 10-32 - Nickel

Adrenaline Paintball & Airsoft

Palmers Pursuit Autococker Ram/LPR Hose Barb 10-32 - Nickel (GG05-08)

Cocker Mini Vertical ASA Adapter for Mechanical Guns

Lapco Paintball

Cocker Mini Vertical ASA Adapter for Mechanical Guns

(1)

CRBN

GS REPLACEMENT STRAP YOUTH

Nova Paintball

.687 Inner Barrel Sleeve for Reciprocating Barrel

(2)

Nova Paintball

Slider Frame T-Slot Saddle

Low Turbulence Valve Assembly - Auto Cocker 5/8 - Auto Cocker Parts & Accessories - Palmers Pursuit Shop - Palmers Pursuit Shop

Palmers Pursuit Shop

Low Turbulence Valve Assembly - Auto Cocker 9/16

Lapco Paintball

M4/M16 Bird Cage Style Tip for Assault Barrels

CRBN

SC PRO TOP 3.0

(1)

FUSE TIPS

Lapco Paintball

FUSE TIPS

Micro Rock Regulator, Nickel - LPR for Autocockers or 1/8 NPT input 10-32 output - Rock Regulators - LPRs 10-32 - Palmers Pursuit Shop - Palmers Pursuit Shop

2% off

Palmers Pursuit Shop

Micro Rock Regulator, Nickel - LPR for Autocockers or 1/8 NPT input 10-32 output

insert-locking-adapter

Lapco Paintball

Insert Locking Adapter - Freak barrel to Ported Fake Suppressor

(2)

Model 98 Stainless Steel Hardware Kit

Lapco Paintball

Model 98 Stainless Steel Hardware Kit

18% off

CRBN

CC PRO BOTTOM OUTLET

(9)

Court-ready carryalls

Court-ready carryalls

Duffels, wet-dry bags, and pouches.

Autococker Hose Clear one foot length

Discount Paintball

Autococker Hose Clear

MCS

Lapco - Nemeis - Planet Eclipse Tactical barrel MK23 Socom Thread-On Silencer (7/8 muzzle threads)